Hi . I bought a redmi 4x a few months ago .
Initially, the version of this Phone was miui8.2 and I upgraded it to miui9.1 and android 7.1.2 .
After a few months, when I'm connected to the Internet through the SIM card, after a few minutes, the connectivity sign to the network is visible , but has no internet .
I suspect that this problem is due to the upgrade. For this reason, I downgraded the phone version to miui8.5 but I still have this problem
Even when I put the network mode on 3G, I still have the same problem
I tested this SIM card with a different phone (samsung j5 2017) and had no problems
Please answer my problem
What should I do ?
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Suddenly, my phone stopped connecting to 4G network, and even if it connects to 3G at best, the connection is pretty much slow. Phone calls through Dial-Up are not stable and laggy. I tried putting SIM card in another device and it works just fine. Nothing I've changed before this issue happened. After the issue happened I tried to install new OEM 6.0.1 Singapore from SamMobile & tried custom ROM but the issue remains, please help as I don't have another device and I need a solution ASAP.
Dear friends,
Could you please support me. I recently bought Zuk Z2 Pro from Gearbest and when I opened the phone initially it identified 5GHz Wifi band and I able to connect. But after I restarted phone , put my sim card in it , when I open phone second time 5GHz band doesn`t appear in Wifi connections list , only 2.4 GHz wireless points appears. What could be the reason for that ?
Android version is 6.0.1 , ZUI version is 1.9.104.ST
Thanks in advance for your help.
even after updated to last version 2.5.335 , still same problem with Wifi , phone does not see 5GHz bands , any ideas ?
Hi guys, I have an issue with 4G after the last dec update. In 4G/3G/2G auto connect mode, usually the receiving data arrow ( v arrow below the 4G symbol in notification bar) gone missing and thus the connection got lost. Only transmitting arrow is visible (the ^ one). I have to wait for some minutes or turn to flight mode and back to get my data connection back.
In the beginning I don't really sure this issue is caused by the latest update, but after I tried nearly everything, including factory reset which is doesn't help, I think that the update is the problem.
I have tried my sim on another phone and it worked normally. I have tried another sim on my note 8 and it got the same problem.
Oh and this is only a 4G issue. My 3G works normally. And before the update, I never experienced this kind of problem.
Two of my friends got the same note 8 and one of them is also using the same carrier as me, but neither of them experiencing this issue.
Anyone can help?
Thanks in advance
I had this issue too, it seems 4g connection only got the problem...,
Problem solved, they replace my device
I have the same problem but seems like in a different way, when I got the phone first time I contacted my service provider to activate the 4G service cause it was inactive on my line due to provider's issues, anyway the phone worked on 4G for only 2 days, after that it kept working on 3G, I contacted the service provider many times but they have no issues with my SIM or handset.
I still don't know what is the problem, is it a hardware malfunction? Is it an installed app? Is it a Samsung Update? I don't know!
have tried getting a replacement sim card, I had same problem in the past and they had by mistake sent a sim that was not 4g, got replacement and problem solved
Well, the problem is that it worked at the fist time on 4G so the SIM was 4G not 3G, but I have just comeback from their store, at the first the technical support did something in their system and switched the phone to airplane mode then turn the network ON back and the deice worked on 4G but after a couple of minutes the phone switched to 3G without going back to 4G, then he advised me that this problem either a SIM or handset problem and it's always 90% SIM problem, so we changed the SIM card and the phone is working on 4G for around 30 minutes till now, I hope it will keep working on 4G
2 days and phone is still working on 4G, it was a SIM card problem
Aoa dear
I.have the issue of secure folder as its not there in my cell phone and when i install it from play store and open it but failed to open as it give the option knox mode failed
Hello everyone,
I have Mi 9 M1902F1G 128gb with MIUI global 11.0.4. I am living in France and using Bouyuges telecom, recently when I come to work my phone loses network connection related to simcard. No calls, no 4G, no 3G nothing absolutely. There is a cross sign sometimes on network bar, then sim card activation process starts but no connection. Even I cannot send an sms. This is a new problem. I have been using this phone with same sim card for approximately for a year.
Thanks in advance
Okuw92
okuw92 said:
... recently when I come to work my phone loses network connection related to simcard.
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Click to collapse
Change job
Since you don't tell us what actions you already have taken the most obvious is to pull out the sim card and clean it. If this doesn't help, contact your operator to get a new sim card. Everything you say indicates that your problem is one with the sim card or the operator and has nothing to do with the phone.
okuw92 said:
Hello everyone,
I have Mi 9 M1902F1G 128gb with MIUI global 11.0.4. I am living in France and using Bouyuges telecom, recently when I come to work my phone loses network connection related to simcard. No calls, no 4G, no 3G nothing absolutely. There is a cross sign sometimes on network bar, then sim card activation process starts but no connection. Even I cannot send an sms. This is a new problem. I have been using this phone with same sim card for approximately for a year.
Thanks in advance
Okuw92
Click to expand...
Click to collapse
Have you tried with VoLTE disabled?
Also, by preferring network type 3G or even 2G, instead of 4G.
Maybe you recently got some some 4G/3G micro-station at work with the band not supported by phone
Edit: You could also try to inspect by Network Cell Info Lite, Net Monster, Net Monitor or similar apps available from Playstore
Hello
I have an Mi8 , Was working perfectly before i opened it.
I recently changed Battery and since then , the phone doesn't wants to register on cellular network. It seems to find them , but when i select them , no way he deals with. ( When searching on LTE)
Searching on 2G says that he couldn't seach for mobile Networks.
Phone has a fresh 1Mi12 ROM , Stock not rooted but bootloader unlocked
Anyone had the same issue?
Thanks