Redmi 9 does not make or receive calls after repairing imei - General Questions and Answers

After doing imei 2 repair process, my cell phone stopped making and receiving calls, but 4g and sms work normally.
the cell phone also doesn't switch to 3G, when I try it doesn't receive mobile network signal.
Can someone help me please?
I have been trying to solve this problem for 2 months and I have not been successful.
OBS:
When I try to place the call, the sound is muted for me, as if the call is in progress, but the person I call does not receive the call,
And when someone tries to call me it says my cell phone is turned off

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So about 3 days ago my Inspire randomly stopped receiving incoming calls/texts, callers ring out to voicemail and I have no idea anyone has called. Talked with AT&T tech support and found out there are no problems on their end. Also, incoming calls/texts will be received during outgoing calls I make (apparently the calls are routed differently for call waiting). I've tried deleting apps i've downloaded recently and even a factory data reset, still with no luck. If anyone has any idea what could be causing this problem, I would really appreciate any help you could offer. Thanks!
- B
take out SIM
put back in
try SIM swapping with other phone
I am having same problem, randomly not receiving calls if the caller leaves a VM I generally get it later. sometimes my wife will call me on home phone and tell me my cell is not ringing and if I try to call myself it works about half the time, no idea what is causing this.

[Q] problems with incoming calls :eek:

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Can't receive calls, have to cycle airplane mode to activate data

Hello, so I recently went from sprint to t-mobile, ported my number, etc. The plan was to flash U onto my g930p but I'm stuck on sprint's qjp3/series 5 firmware until a compatible U or even T firmware is released. I have had a couple of issues with my device that have sort of popped up over the month or so I have been on tmobile, namely that I cannot receive calls, every time someone calls me they are sent straight to voicemail. I do receive notifications for voicemail and the voice messages themselves, but that's it. I can make outgoing calls, however usually the first attempt at an outgoing call fails, then further attempts actually dial. Also, upon restarting the device I always have to cycle airplane mode in order to get the data to catch and start working. SMS and MMS work fine. If anyone has any insight into solutions to these problems, particularly the not receiving incoming calls, I would greatly appreciate it.

SIM 2 call problem

Has someone had problems with not receiving all phone calls on SIM 2?
My operator supplies an app called Elisa Ring. From this software I get pre-notifications 2-3 seconds before the call starts ringing. Basically it notifies through internet almost immediately when the caller presses the call button.
From this softwares call log I can see that many people have tried to call me but none of those have ringed and are not shown in the phones call log. This means basically that the SIM has not been ready to receive a call.
Today I tested this with my colleague at work. He called 5 times and it went always voice mail. 6th call got through and two test calls after that. Suprising was that on the calls that connected, it took a looong time before the phone started ringing.
Some calls get through but not 100% is not acceptable.
I did not have this problem with OP5 and I have the same apps now installed on my OP7P.
Sent from my GM1913 using Tapatalk

I can't make any normal call, but full network coverage, and internet 4G normal

Hi,
I have not been using my OP6 because of a strange issue with it since OOS 10.3.9 (maybe since May 2021)
This issue is: I can not make nor receive normal call with any provider. but my network bar is full and my 4G internet is running smoothly.
If I try to make a call, it just show the call screen, no calling tone and no waiting tone and the other phone doesn't ring.
If I try to call my OP6 from other phones, it just doesn't connect, no call tone no waiting tone... My OP6 also doesn't show any incoming call.
I'm sure my sim cards are OK, I have tried to put them in a different phone and they can make normal call.
If my sim card slots were broken, I would not have any coverage and my 4G wouldn't work...
I can receive SMS just fine.
anybody can help me?
thank you
I had the same issue, at the end oneplus said, bring it to a service center while there plenty or forum posts in their forums from technician saying it's the network chip, i got a new phone but will attempt to replace that chip once i got my replacement.
You could try other stuff, full wipe, other roms etc.

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