Sim 1 and SD card not working after OTA update to vivo rev 1.4.2 in Vivo v9pro - Vivo V9 Questions & Answers

Hey, I had updated the system to latest through OTA. Now the version is PD1730DF_EX_A_1.4.2. After that my sim1 and sd card is not working. Had removed the sim and changed the slots, but still the problem persists. Really appreciate your help.

Die.

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thanks in advance for any help (andsorryfor the bad english)

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Same thing happend to me but I was downgrading my phone to .42.
My phone was locked to my carrier.
When I got the simlock down it was perfect, the sim card was recognized again.
Maybe this id the solution.

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ASUS ZE551ML no SIM 1 -2

Hello
I own an ASUS Zenfone 2 ZE551ML and after an update to 2.20.40.174 the phone simply wont recognize the SIM card 1 or 2
I have not modified the phone in any way ( at the moment ) just firmware updates from asus no root etc.
could anyone shed some light on what could be wrong ? before the update the pone was working fine
also if someone could help me downgrade ( maybe that is the problem ) will be appreciated
just be patient step by step please I have installed ADB drivers etc
Model: 4GB RAM
Baseband version: 1527_5.050.2_1225,1527_7.0.26.0_1225
Build number: LRX21V.WW-ASUS_Z00A-2.20.40.174_20160310_4150_user
Problem: Phone shows Sim not installed SIM 1 or 2 ( and there is a SIM and it was working without a problem before
How to recreate: Switch on the phone no sim available
Wi-Fi Frequency (if connected): 2.5 GHz / 802.11bg
thanks in advance for your help
Raps
Rapsody10 said:
Hello
I own an ASUS Zenfone 2 ZE551ML and after an update to 2.20.40.174 the phone simply wont recognize the SIM card 1 or 2
I have not modified the phone in any way ( at the moment ) just firmware updates from asus no root etc.
could anyone shed some light on what could be wrong ? before the update the pone was working fine
also if someone could help me downgrade ( maybe that is the problem ) will be appreciated
just be patient step by step please I have installed ADB drivers etc
Model: 4GB RAM
Baseband version: 1527_5.050.2_1225,1527_7.0.26.0_1225
Build number: LRX21V.WW-ASUS_Z00A-2.20.40.174_20160310_4150_user
Problem: Phone shows Sim not installed SIM 1 or 2 ( and there is a SIM and it was working without a problem before
How to recreate: Switch on the phone no sim available
Wi-Fi Frequency (if connected): 2.5 GHz / 802.11bg
thanks in advance for your help
Raps
Click to expand...
Click to collapse
Try reinsert sim card.
I have done that , thank you
the sim cards work fine on any other phones
Raps
Reset factory it would be help
Have done that it doesnt work either
thanks
Rapsody10 said:
Have done that it doesnt work either
thanks
Click to expand...
Click to collapse
Ok
Try dial *#06# and see your imei
Leftrand said:
Ok
Try dial *#06# and see your imei
Click to expand...
Click to collapse
what would be the point to see the imei ?
the phone was bought brand new has not been modified in any way
just suddenly decided not to recognize the sim cards which i tested on other phones and works just fine
thanks tho
Raps
To downgrade you need to have recovery older than currently installed on phone. Flash recovery and adb sideload older firmware. If that doesn't help then read further.
Backup your data if possible then full wipe using twrp (not sdcard or ext-sdcard). To flash twrp you need search here how to.Now flash full .178 rom. Hope it helps.
This problem occurred to me several times in two different ways. The first one was on stock rom without root. It was hardware "failure" and I simply removed the SIM1 card put a little pressure on the upper metal that holds the sim from falling and reinserting the sim card. After several tries it fixed this problem.
The second problem was software failure after upgrading roms. This still happens today and many users have similar problem. I am fixing this problem by doing a full backup, then format /system and /data, and installing a clean ROM and at last recovery.
I think the first solution should help you.
cheers!

Copperhead brick phone / no sim card unlock

Hi,
for two days I get a OTA update for copperhead. After the Installation I cannot unlock my sim card. I always get a error.
I changed the sim tested it with others phones there it works.
I tried to install lineage, but there it didn't works too.
So i installed the factory image from here
https://developers.google.com/android/images
But no chance, the phone could not unlock the sim card.
So my question what could I do to fix it?
Is there a special Firmware for that ?
Thanks

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