Help!!! Phone is not detecting sim after updating - OnePlus 6T Questions & Answers

After I updated to 10.0.1 from 10.0.0 via TWRP the phone would not detect my sim card
EDIT: Fixed it by reflashing the update

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cant update my p9lite

hello so I have p9 LITE TIM SINGLE SIM ON NOUGAT A WHILE AGO I DEBRAND IT ROLLED BACK TO MM AND AFTER MANY TRIES I ENDED UP WITH C432B160 DUAL SIM PHONE WORKING FINE
NOW I TRIED TO UPDATE TO NOUGAT AND NUTHIN TRIED FIRMWARE FINDER B370 B380 B404
ALL FAILED DOWNLOADED THE FIRMWARES MANUALLY TRIED WITH SD CARD B370 B380 B394
software install failed incompatibility ISSUES
IF ANYONE CAN HELP ME PLZ
acesama said:
hello so I have p9 LITE TIM SINGLE SIM ON NOUGAT A WHILE AGO I DEBRAND IT ROLLED BACK TO MM AND AFTER MANY TRIES I ENDED UP WITH C432B160 DUAL SIM PHONE WORKING FINE
NOW I TRIED TO UPDATE TO NOUGAT AND NUTHIN TRIED FIRMWARE FINDER B370 B380 B404
ALL FAILED DOWNLOADED THE FIRMWARES MANUALLY TRIED WITH SD CARD B370 B380 B394
software install failed incompatibility ISSUES
IF ANYONE CAN HELP ME PLZ
Click to expand...
Click to collapse
After converting to dual SIM you can upgrade to Nougat via TWRP, unpack B370 onto SD card, then flash update.zip file, go back to main TWRP menu and flash second file ...hw_eu.zip. Reboot system. Use TWRP 3.0.2-0 .
But converting to dual SIM may cause problems with next system updates, includíng OTA and Firmware Finder (IMEI and infos in partition Vendor).
You can try also this solution bellow, with this method you can choose firmware, wichever you find most convenient :
https://forum.xda-developers.com/huawei-p9lite/how-to/update-p9-lite-nougat-ota-s-officials-t3661906
It works fine (self experience). Good luck!

No SIM card detected after root

After rooting my SM-J730F with Magisk my SIM card is no longer detected and i get no service. I installed a stock 8.1 android rom and my phone was working fine. I installed twrp and my phone was working fine but after flashing Magisk via twrp my phone no longer detects my SIM card. I've tried the 17.1 and 17.3 version but it's the same result each time. The root is working fine though. What can I do here?
Edit: I cleared cache after rooting and it seems to have fixed my problem!
Please help me if I am having the same problem!

VoLTE Broken after rooting.

I recently flashed the May update via TWRP on my Indian 3GB variant. Tried to root the stock ROM; flashed the Pie decryption zip and then flashed Magisk. Booted the phone up and found out that I lost VoLTE in the only sim I use (Airtel). Then I reflashed the May update (via TWRP) and relocked the bootloader (following the unroot and relock guide). Still VoLTE is unavailable. Any possible fixes to restore VoLTE are welcome. Thanks in advance.
EDIT: Problem solved. The problem was with the SIM and not the phone. Borrowed a Jio SIM and found out that VoLTE was indeed working. Thanks for the help.
Moderators please close this thread.
with superior os nemesis firmware the volte is working, and there is an Indian developer, at this point you can try, your warranty is already void
avinashsuresh said:
I recently flashed the May update via TWRP on my Indian 3GB variant. Tried to root the stock ROM; flashed the Pie decryption zip and then flashed Magisk. Booted the phone up and found out that I lost VoLTE in the only sim I use (Airtel). Then I reflashed the May update (via TWRP) and relocked the bootloader (following the unroot and relock guide). Still VoLTE is unavailable. Any possible fixes to restore VoLTE are welcome. Thanks in advance.
Click to expand...
Click to collapse
Flash fastboot ROM or follow the lines above guy mentioned

No network (any SIM card)

I installed lineage OS 16.0 and all seemed ok but then when I put in my SIM card it recognises the name but there is no signal, no network. I then tried crdroid custom ROM. Same thing.
I thought maybe because I was on Oreo stock ROM prior to all this that I needed to update it to latest stock ROM so everything works ok. Tried to flash to stock ROM latest and won't let me do that either.
How do I get a SIM card to work?

The sim card not recognized!! Please somebody has the oreo drivers fix?

Hello, I got the Samsung J730G with Android 9.0/Pie (Binary 13) and installed custom rom with Android 8.0. The problem is that sim card is not recognized and the only solution as far as I saw is installing the fix via TWRP with the Oreo modem drivers. Somebody have it or have other solution?
I can't downgrade it because every Oreo stock has binary lower than 13.

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