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IMEI number disappeared after a FOTA service update

Star I
Hello all,
The FOTA service update was installed and then phone did not recognise sim. IMEI numbers are null. Wifi is also not getting connected.


Rising Star II
Hi, we'd request you follow the below steps:
1. Clear system cache.
2. Please try to enter "Safe Mode". If the function works well in Safe Mode yet the issue remains out of Safe Mode, please check for any disturbance from the installed 3rd party apps.
# How to enter and exit "Safe Mode"
3. If still you face the issue factory reset your phone after taking a full backup:
4. Last option would be to visit the service center to have a check. Locate here:

Rising Star II
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