Samsung s21 ultra no signal All forum topics; Previous Topic; Next Topic; 17 Comments « Samsung Galaxy S21 5G no mobile data ,physical sim card and esim not working, signal reception very low in malta Europe, or poor mobile network. GPS signal often disappears while driving, when using Google Maps with Android Auto. Today, I have had no mobile signal coverage - emergency calls only. Is there anyway to bypass latest security patch, there is no signal ( airplane mode ) and there is no emergency call option Any help matter! (does Home. So that tells me that somehow my S23 is not able to connect when my s21 ultra can with the same signal. S21 ultra Camera Cutout Misalignment Causing Display Issues in Other Galaxy S Series 2 weeks ago; Immediate Attention Required: Touch Screen Failure on S21 Ultra After UI 6. S21 ULTRA 5G no signal service issue. Subscribe to RSS Feed; Mark Topic as New; Mark Topic as Read; Float this Topic for Current User; Subscribe; Printer Friendly Page (Topic created on: 10-19-2024 11:52 PM) 226 Views. Here, Many of us are excited about the new eSIM update, but were sorely disappointed to see the "NO SIGNAL" symbol upon adding the eSIM. No stable cell signal on my s21 ultra! and if i want make phone calls, I had to leave my room looking for a signl Even when I drive and pass the tower , its struggling for switch cell tower !!if i was in a place where the mobile phone network available, it's very slow S21 Ultra UK version has the Samsung 5123b modem, Samsung antennae and Exynos 2100 chip. Installed the Patch dated 01 Mar 23 on 09/03. 1 Update in Other Galaxy S Series 3 weeks ago; No signal in Other Galaxy S Series a month ago; Galaxy watch Ultra connection issues with S20 ULTRA 5G in Other Galaxy S Series 26-12-2024; S21 Ultra 5G - Pink Line Issue in Other Galaxy S Series 19-12-2024 My s21 Ultra 5G gets 1 bar in my house while an A52 samsung, and a cheap Nokia get full signal. Phone went in for repair twice and I tested 2 different SIM cards. As per Hello For the past few days I've been facing an issue worth Google maps on my S21 ultra. The high priority frequency signal strength must improve (even more than the minimum signal strength that causes phones to switch to the low priority frequency) before it's to be tried again. Due to the fewer cell towers, the signal strength will deteriorate See more I don't hold out hope that this will be resolved since my S21 Ultra is now at end of life updates except for security patches (to my understanding). Add an eSIM to the phone. software is up-to-date . Location: z3x. Sim network not come. Subscribe to RSS Feed; Mark topic as new; Mark topic as read; Float this Topic for Current User; Continue to hold buttons until the phone vibrates and the Samsung logo appears. Thanks Meter: 5,736 The CI is waving goodbye, in a few days you'll have no signal at all. 1 Update in Other Galaxy S Series 09-01-2025; No signal in Other Galaxy S Series 31-12-2024; Galaxy watch Ultra connection issues with S20 ULTRA 5G in Other Galaxy S Series Hi, I have been having the same issues since buying my S21 Ultra. PS . 1 Update in Other Galaxy S Series 3 weeks ago; No signal in Other Galaxy S Series a month ago; Galaxy watch Ultra connection issues with S20 ULTRA 5G in Other Galaxy S Series 26-12-2024; S21 Ultra 5G - Pink Line Issue in Other Galaxy S Series 19-12-2024 Hi @jaredscott, Take it back to the repairer and show them the problem. I have tried all the possible solutions posted here, but the problem doesn't get solved. Forums. Solved! S24 Ultra 0 Likes Reply. 1 Update in Other Galaxy S Series 3 weeks ago; No signal in Other Galaxy S Series a month ago; Galaxy watch Ultra connection issues with S20 ULTRA 5G in Other Galaxy S Series 26-12-2024; S21 Ultra 5G - Pink Line Issue in Other Galaxy S Series 19-12-2024 One of my work colleague's occasionally experiences mobile data drop outs and call drop outs i. Reply r/samsung • S21 5G goes to X (No Signal) Verizon, Possible Solution. 3 Likes Comment. Samsung S21 5G. Network strength or signal depends on the carrier you are connected to and the cell towers in the vicinity. S21 Ultra - Loss of GPS signal while using Google Maps. My second S21, the problem is not so obvious. Check the Daily Driver > Samsung Galaxy s²⁴ Ultra 512Gb ~ Titanium Black. Once done, please check if the issue is Hi, I have a S21 Ultra since late January, I had issues in the past but now since the last Update 3 days ago My Mobile Network stopped working, I have an (Ø) symbol not even empty bars, the SIM card works great on other devices, but non SIM card works on this device, I tried reseting the network settings, Wiped cache partition, factory reset, airplane mode on and opening Samsung members app and running diagnostics. Beginner Level 2 Options. Community Home Community. Subreddit dedicated to news, discussion, and questions about the Galaxy S21 series and related Samsung products. Wh Immediate Attention Required: Touch Screen Failure on S21 Ultra After UI 6. 1 Update in Other Galaxy S Series 3 weeks ago; No signal in Other Galaxy S Series a month ago; Galaxy watch Ultra connection issues with S20 ULTRA 5G in Other Galaxy S Series 26-12-2024; S21 Ultra 5G - Pink Line Issue in Other Galaxy S Series 19-12-2024 Since I recently replaced my Note 10+ with an S21 Ultra, the new phone has repeatedly lost the GPS signal in areas where I know there to be a strong signal. Galaxy S21 users report the signal drop issue recently flooding social media. The Same location, oppo has no issue of browsing but the S21 is suck. icio. 0 beta on your phone via Samsung Members app and install it. Samsung s21 ultra 5G - green line issue in Other Galaxy S Series 3 weeks ago; Samsung S21 Ultra Screen Issues in Other Galaxy S Series 20-03-2024; S21 Ultra stuck searching for signal, can't connect to mobile data in Other Galaxy S Series 15-02-2024; S21 ultra issue after update. Can anyone point me to a solution? The issue started after few hours of inserting m old sim which was working fine in my old Samsung S21 ultra which is now only shoeing emergency calls only inspite of having full signal bar. 1 Update in Other Galaxy S Series 3 weeks ago; No signal in Other Galaxy S Series a month ago; Galaxy watch Ultra connection issues with S20 ULTRA 5G in Other Galaxy S Series 26-12-2024; S21 Ultra 5G - Pink Line Issue in Other Galaxy S Series 19-12-2024 Luckily, here we’ve mentioned several troubleshooting ways to fix Samsung S22 Ultra No Signal or Network Problem. Or you can enter these details Samsung Community: Products: Smartphones: Other Galaxy S Series: Signal problems with s21ultra; Signal problems with s21ultra. Join Date: Feb 2008. In this video, we will show you what to do if your galaxy s21 keeps losing signal 00:30 Enable airplane mode for a few seconds (Force reboot)01:13 Make sure I ended up using my son's older S21 ultra as a hotspot so I could check messages etc on my s23. The advice I offer is my own and does not represent Samsung’s position. Happily exploring this new gadget , however, ended up will keep loading when do browsing. I'm facing a similar issue on my S21 Ultra since the OneUI 6 update. Network Issue S23 Ultra in Galaxy S 11-23-2024; Samsung S21 Ultra 5G in Galaxy S 06-25-2022; samsung s10 Hi, I have a S21 Ultra since late January, I had issues in the past but now since the last Update 3 days ago My Mobile Network stopped working, I have an (Ø) symbol not even empty bars, the SIM card works great on other devices, but non SIM card works on this device, I tried reseting the network settings, Wiped cache partition, factory reset, airplane mode on and Hi, I have a S21 Ultra since late January, I had issues in the past but now since the last Update 3 days ago My Mobile Network stopped working, I have an (Ø) symbol not even empty bars, the SIM card works great on other devices, but non SIM card works on this device, I tried reseting the network settings, Wiped cache partition, factory reset, airplane mode on and It looks like the network setup for the phone is completely disabled and it keeps on showing the no signal sign. S21 ultra Camera Cutout Misalignment Causing Display Issues in Other Galaxy S Series Tuesday; Immediate Attention Required: Touch Screen Failure on S21 Ultra After UI 6. S21 ultra network issues. Smartphones; Tablets; Watches; Audio Sound; Mobile Accessories; TVs; Sound Devices; Many Galaxy S21 series users are searching for a solution to the no signal or signal drop issue. 1 Update in Other Galaxy S Series a week ago; S21 ultra green line issue in Other Galaxy S Series 04-10-2024; UI 6. My wife's older Samsung phone has a good signal in the same location that I have either no signal, or one bar at best. and for reference previous phone S21 ultra had no issues with the same sim and area . The phone that has more signal and more speed may be on a low priority frequency, the phone with less signal may be on a high priority frequency. Hey there and welcome to the Samsung UK Community Forum The S21 series had a truly Note: Solutions in this guide will work on any Samsung Galaxy S21 model (S21, S21 Plus, S21 Fe, and S21 Ultra models. S21 Ultra US version has different antennae and SD888 chip (not sure about the model). Most of the time, it's no signal at all. Notice it's stuck in no signal. Rebooted phone and it went straight to 5G. The exception to this may be if the phone had been water damaged. in Other Galaxy S Series 31-01-2024 I have lebara which runs on Vodafone and no issues. Both in regards to cellular connectivity. Noticed my phone said searching for service. The battery is a little broken. Using Google maps and trying to navigate to a destination I get GPS signal lost. Ever since i updated the phone with the July security update i stopped receiving any mobile service or network on both sims. But let us focus on the solution first. Still no reception! in Other Galaxy S Series a week ago; Please help fix S21 Ultra SM-G988U1 Touch issue after OneUI 6. Could it be the cause?? Need help. Despite trying different SIM cards and carriers, the issue persisted. Bookmarks: Digg; del. If the SIM card is not detected by the other device, then the SIM card is most likely damaged. I'm here to help. Reply reply Ownerstealth Hello, y'all. Try these common steps for fixing the low or no signal on your phone Samsung Gulf Customer I have the same issue, my phone died yesterday (battery flat) recharged and restarted last night but since then, no connection to the network at all, tried all the restarts and resetting various things with no success. However, things change when you are in tier 2 or tier 3 city or town or village. The phone is now seeming to be worse as time goes on also. is there a general issue with this and if so why for a £1200 phone it should be perfect! Have a Galaxy S21 Ultra SM-G9980 snapdragon version. I dont know but my signal is terrible and samsung dont care its Samsung Galaxy S21 Keeps Losing Signal (Cellular) By Harold Hisona March 12, 2021 September 1, 2023 September 1, 2023. Previously on S21+ and had no signal issues whatsoever. "1 Like Reply. I get Samsung S21 Ultra 5G with no network issu the phone work normal before here the test info ! Any solution ?! 06-07-2022, 17:17 #2 Z3X. Subscribe to RSS Feed; Mark Topic as New; Mark Topic as Read; S21 cannot connect to mobile network after Samsung software update in Other Galaxy S Series 26-09-2024; Mobile Without a stable cellular signal, your phone won’t be Cellular network or mobile network serves as the backbone of modern communications among mobile phones. Troubleshooting Galaxy S21 No Signal Issue: Even with versatile features, a flagship phone can get annoying if it does not properly function. Floor meets phone again now I have no signal anywhere. Advertisements Thus, it is best to In this video, we’re going to show you how to fix a Samsung phone or an Android device with a “No Service and Signal” message. Mark as New; Subscribe; Subscribe to RSS Feed; Permalink; Print; Report Inappropriate Content Samsung Galaxy S20 Ultra No Network S21 Ultra user here. Ensure your NSP supports 5G. Hi, I have an S21 Ultra 5G, (SM-G998B), the software update is up to date, and for a few days, I started to encounter various problems, sometimes I lose the signal altogether, I can't call, and I can't be called, I receive a message after 10 minutes that I have some missed calls, other times my mobile data does not work, it is set to 5G / 4G / 3G / 2G, I switch to 4G / 3G / 2G and it Subreddit dedicated to news, discussion, and questions about the Galaxy S21 series and related Samsung products. Reylob. Most reputable repairers give a guarantee on their work even if it is only for 1 month. I then use the same sim card to return to Oppo. Is 5G not working on your Galaxy S21 series? If that’s the Three months ago, my 128GB S21 Ultra, purchased here at home in the US 2 years ago, suddenly lost its signal. " This is the way. Options. Galaxy S25 | S25+ What to do if you have a poor signal and cannot make calls on your Samsung Galaxy device What to do if you have a poor signal and cannot make calls on your Samsung Galaxy device; Footer Navigation. FAQ for Samsung Mobile. signal reception very low in malta Europe, or poor mobile network signal. Solution. 1 Update on Galaxy S21 Ultra ؟؟ in Other Galaxy S Series 3 weeks ago No signal in Other Galaxy S Series 3 weeks ago S22 Ultra Signal drop; Original topic: S22 Ultra Signal drop. Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Highlight; Print; For what it's worth, I also have had signal S21 Ultra stuck searching for signal, can't connect to mobile data; Jump to solution Solved S21 Ultra stuck searching for signal, can't connect to mobile data. Reception. Now - the Google Pixel 6 Pro has the 5123b modem and there in-house chip is designed around the Exynos 2100. Google users now reporting signal issues across the world. Wi-Fi Calling Echo in Galaxy S21 12-31-2023; FATAL NOC ERROR on S21 Ultra, what does it mean? in Galaxy S21 01-13-2023; Issues with network specifically in Prague in Galaxy S21 10-30-2022; No Signal indicator in Galaxy S21 05-06-2022 Many of us are excited about the new eSIM update, but were sorely disappointed to see the "NO SIGNAL" symbol upon adding the eSIM. Members_88Mc4Ej. Only just got my 21 Ultra and I have had signal issues at home I've just upgraded to the s21 from the s10. If you are in a metro city, I doubt you will be far from a cell tower. Find more about what to do when calls disconnect or there’s no network signal on your Galaxy device with Samsung Samsung Community: Get Help: Phones: Galaxy S21: S21 Ultra Signal bouncing; JUMP TO SOLUTION Solved Original topic: S21 Ultra Signal bouncing. I lose full signal the majority of the time and have to turn This is the 2nd S21 Ultra that I've had fail in two years, two similar failures. Topic Options. in Other Galaxy S Series 31-01-2024 Immediate Attention Required: Touch Screen Failure on S21 Ultra After UI 6. open. I'm constantly dropping signal, very often receive information that people cannot call me even though I live in big city where other phones have no issues at all. Mobile data. Just updated my phone tonight. Search This thread S21 ultra lost network signal since update; S21 ultra lost network signal since update. However my son who also has the Samsung Galaxy s21 Ultra does not experience these issues with his @Jommy_5 so I'm thinking it's not all Samsung Galaxy s21 are like this or we'd probably see more posts on this forum, Many of us are excited about the new eSIM update, but were sorely disappointed to see the "NO SIGNAL" symbol upon adding the eSIM. 1 Like Samsung galaxy note 20 ultra having problem with network after Immediate Attention Required: Touch Screen Failure on S21 Ultra After UI 6. Subscribe to RSS Feed; Mark Topic as New; Mark Same here. The same with my wife's phone (she also has S21 Ultra). Tried restarting several times, removing sim, verifying network mode and access point names, and reset all network settings. I later found that my s23 also couldn't get a signal at a friend's house when it used to work fine there before. Kept getting X and no signal and call drops every few minutes. Samsung Galaxy S21 Ultra. Everything was working well since i bought it in April till i received the July security update. If this is a frequent occurrence, it might be time to troubleshoot some issues. I changed the sim card, tried my wife card, nothing helps. Topics For Phone/Device Forums (Click/Tap) 3D Printing Android Auto Android Mods Android TV Apps & Games Themes Wear OS Smartwatches. 1 touch screen unresponsive on S21 in Other Galaxy S Series 3 weeks ago; Galaxy S21 Ultra - Battery issues after One UI 6. Galaxy Hai semua, apakah s21 ultra kalian mengalami signal lemah? Signal yg tiba" down sndiri tidak hanya signal sim card tp jg wifi? Ada beberapa kali saya coba sim sebut saja "A" di **bleep** lain mendapatkan 4G+ full bar, namun di s21 ultra hanya 2bar, selain itu terkadang untuk wifi meskipun duduk dise Galaxy watch Ultra connection issues with S20 ULTRA 5G in Other Galaxy S Series 26-12-2024; S21 cannot connect to mobile network after Samsung software update in Other Galaxy S Series 26-09-2024; Mobile network connection problem in Other Galaxy S Series 02-09-2024; No network connection after usb port replacement in Other Galaxy S Series 08-08 The S21+ has a 5G disconnect problem and to solve this problem, you must install 2 SIM cards. (The first one is a new SIM card, the second one is an old card with no function) Although the second SIM card is not functional, this way, there will no longer be a 5G disconnection, and no mobile hotspot disconnection will occur. pink line , dead pixel issue on Samsung S21 This easy trick to fix Samsung S21 ultra 5G network problem comes in handy when there is a sudden signal drop, no signal problem, or S21 not connecting to 5Gunable to connect issues. Subscribe to RSS Feed; Mark Topic as New; Mark Topic as Read; Float this Topic for Current User; Subscribe; Printer Friendly Page (Topic created on: 10-10-2023 08:41 AM) Report Inappropriate Content 10-10-2023 08:41 AM in Others. Sound system messing with "buttons" on S21 Ultra in Other Galaxy S Series a week ago; S21 Ultra Black Screen After 6. The phone displays a 🚫 sign in the status bar. Moderator 29-10-2023 10:46 AM - last edited 29-10-2023 10:46 AM. I have the same problem with my Samsung Galaxy S23 Ultra. 1 Like Reply. 1 Update in Other Galaxy S Series 3 weeks ago; No signal in Other Galaxy S Series 31-12-2024; Galaxy watch Ultra connection issues with S20 ULTRA 5G in Other Galaxy S Series 26 GPS Issues on Samsung S21: Maps and Waze Not Working Properly in Galaxy S21 3 weeks ago; Samsung cloud won't let me move data to an external drive in Galaxy S21 10-26-2024; S21 Update in Galaxy S21 09-20-2024; S21 fe 5G is carrier locked and cant be unlocked by verizon in Galaxy S21 08-05-2024; Samsung Galaxy S21: Unusual GPS Problem in Galaxy what is going on with gsm signal in this phone? I've just scheduled second warranty repair after few month of usage. Find more about Enjoy S Pens Writing Experience with Galaxy S21 Ultra with Samsung Support. I have the S21 ultra though. Even after performing a factory reset and rebooting the Under phone settings tap on Connections and check both phones are identical on all settings. Hope this is a one-off. Immediate Attention Required: Touch Screen Failure on S21 Ultra After UI 6. While using maps the phone looses GPS signal and the map. Anyone else had similar issues? FAQ for Samsung Mobile. Release buttons. in Galaxy S 08-30-2022 Accessibility Help S21 Ultra stuck searching for signal, can't connect to mobile data in Galaxy S21 Series a month ago; S21 ultra issue after update. 0 Likes Reply. Posts: 18,054 Member: 706257 Status: Offline. Only come emergency call. I would also keep checking for any app updates in both Google and Samsung store. First device lasted about a year and was eventually replaced, fault was more pronounced though. Subscribe to RSS Feed; Mark Topic as New; Mark Topic as Read; Float this Topic for Current User; Its been happening frequently at places where my previous note 20 ultra 5G has no issues before. 1 in Other Galaxy S Series 2 weeks ago; New Update UI 6. Tags: MALTA EUROPE. I did try all the methods like restarting the phone, changing the sim card to other sim card tray, resetting the network connection but it works only for 1-2 hours and again its going Immediate Attention Required: Touch Screen Failure on S21 Ultra After UI 6. No worries, this is actually super easy to fix! Solution. Glanced over to check the time before going to sleep. Product & Services. Upgraded my phone from oppo to S21. Find more about what to do when calls disconnect or there’s no network signal on your Galaxy device with Samsung Support. We used other phones in the same car (S10 and S10+) without any issues. I have to turn off 5G in most places, including at home or the signal is very sporadic and intermittent, though some places in my area have a great 5G signal and occasional I get a good 5G signal at home. My carrier's fix was to port me to T-Mobile network with manual configuration If your Galaxy phone is experiencing low signal, or even no signal at all, you may be unable to connect to the internet, and it's ability make or receive phone calls may be If your Galaxy phone is experiencing low signal, or even no signal at all, you may be unable to connect to the internet, and it's ability make or receive phone calls may be limited. 1 Issues in Other Galaxy S Series 25-09-2024; S20 ultra issues in Other Galaxy S Series 10-09-2024 Galaxy S25 Ultra NEW. - Samsung Galaxy S21 Ultra Will there be any updates from Samsung to fix the touch screen not working after OneUI 6. The phone will reboot. Samsung s21 ultra recognize SIM but no service no signal. If you’re also one of the victims of such an issue, follow this guide until the problem gets fixed. Galaxy Z; Galaxy Series; Services. #samsung #s21 #ultra #5G service issue after screen replacement The signal is -115 db I still have my s21 ultra, and I found that it has no problems in the same area and at the same time. 1 Update in Other Galaxy S Series 3 weeks ago This is the reason I returned my s21 ultra. This loss of service limits ev Hi, I have a S21 Ultra since late January, I had issues in the past but now since the last Update 3 days ago My Mobile Network stopped working, I have an (Ø) symbol not even empty bars, the SIM card works great on other devices, but non SIM card works on this device, I tried reseting the network settings, Wiped cache partition, factory reset, airplane mode on and The Vodafone signal on the S21+ is very poor or mostly non existent, compared to what I was getting with the S8+. In this post, we will show you what to do if your Galaxy S21 keeps losing Phone app Recents calls only selection missing in Galaxy S21 yesterday; Wi-Fi Calling Echo in Galaxy S21 12-31-2023; FATAL NOC ERROR on S21 Ultra, what does it mean? in Galaxy S21 01-13-2023; Issues with network specifically in Prague in Galaxy S21 10-30-2022 Custermer services just try to sell me a new phone they said if i wanted to trade for the s24 and try giving me a deal but i hadn't even finished my payments for the s23, the problem with the phone is if I tuned wifi calling even with no internet but wifi signal it workes and shows that there is a tmobile signal and im able to make calls but if Samsung S22 Ultra No Signal/Data Service. It's only occurred twice when my phone had no signal, while other phones did. My point is, s21 ultra is a flagship phone, it should have no problem like this one, no need to do any work around or move my hardware to make this work. us; If you can't get any network coverage or you have no signal on your phone and can't make calls, send texts, browse the Web, or check your email. AndrewL. Explorer 30-04-2022 07:31 PM. in Galaxy S21 Series 31-01-2024; S21 Ultra Mobile Network Issues in Galaxy S21 Series 19-01-2024; S21 Ultra One UI Upgrade - Screen Issues in Galaxy S21 Series 09-01-2024 Been using an Ultra S23 since release date with no problems. On the s10 it was on 3 bars most of the time using the same network and SIM. Even if your new part came with the antenna in the top right corner, you need to transfer @Juan greenfield Hello, you can try to reset the device APNs, go to Settings / Connections / Mobile networks / Access Point Names, the three points at the top right-Reset to default. Find more about How to use and charge Galaxy S21 Series with Samsung Support. Ask Vodafone to send you their settings again. Subscribe to RSS Feed; Mark Topic as New; Mark Topic as Read; Float this Topic for Current User; Bookmark; Subscribe; Printer Friendly Page (Topic created: 06-03-2022 05:29 AM) 6280 S22 ultra wifi signal reception very poor compared with other brand for example in Galaxy S 11-10-2022 Autoswitching to 5g when 5g not launched. I recently had my S21 Ultra 5G front screen replaced in December, and then around two weeks after that's my service became very spotty with no signal in certain areas. This happens while using wired Android Auto and if I simply disconnect the cable then reconnect it, the GPS connection is restored. Product Supporter . Plus, even swiping down from the top of the display and make sure the Mobile New Visible+ customer, BYOD (Samsung S22 Ultra, T-Mobile variant), poor signal despite being in an area with good coverage. Samsung Members Star ★ 09-02-2024 05:28 PM. I find it unacceptable that a manufacturer can sweep an issue under the carpet and insult a customer's intelligence by repeating the same advice. Subscribe to RSS Feed; Mark Topic as New; or even no signal at all, you may be unable to connect to the internet, and it's ability make or receive phone calls may be limited. ) Editor’s note: We created these instructions using a Samsung Galaxy S21 running Android 12 . No dropped calls, but T-MOBILE has such bad 5G service in my large metropolitan area. 1 Update in Other Galaxy S Series 3 weeks ago; No signal in Other Galaxy S Series a month ago; Galaxy watch Ultra connection issues with S20 ULTRA 5G in Other Galaxy S Series 26-12-2024; S21 Ultra 5G - Pink Line Issue in Other Galaxy S Series 19-12-2024 Insert the SIM card into another phone to see if it can be detected. A 5k gadget and end up cannot use as smart phone. Members Online • When I tested a unlocked Against my 12 pro max, the 21 ultra had no signal and my 12 pro max had 1 bar -121 dbm band12 tmobile and was able to complete a call. Any ideas?? Signal and service issues on the S21 series are typically related to an antenna issue. There are many reasons you might not have a signal on your Samsung phone, such as server maintenance or an outage in your area. Signal strength and connectivity degraded over time. Problem is that I now only get 1 bar showing on the signal strength most of the time (including home). Smartphones. e no service on his Samsung Galaxy s21 Ultra. If I go somewhere with a very strong signal like -70 db then its no problem. I tried my sim card in the s21 and its able to pick up a signalso that means its the phone, not the sim card. The only way to use the phone is via wifi which Wifi and Bluetooth work. Samsung Galaxy S21 Ultra 5g No Service || Emergency call || No Signal || Fix Signal Problem #signal #problem #fix #service #networkproblem #4g #not #supporte. i don't wish to run my phone in safe mode continuously in the hope that boosts my signal . Opt into the One UI 4. It is just frustrating, My huawei phone mate10 pro, mate 30, samsung S10 have no problem detecting 5Ghz wifi signal within the same position as my S21ultra. How to use How to use and charge Galaxy S21 Series. Paul671. Initially I used the old SIM from the S8+, but due to the poor signal strength on the S21+ I contacted Vodafone and went through a series of checks and tests. Maybe ask Vodafone to send a new sim and/or check if any of the sim settings have change. wkjpd cswd vhxd zejdb cafga oqru opg vjnaouw zcyuv hwbhkg cxyc cwhppg asxn thpgq mgali