Pocophone Error 7 recovery / Vendor problem cannot install any rom

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Hi i have a problem with my poco f1
Status : UBL , NO OS , Orangefox recovery
Tried : flashing many roms and changed from twrp to orangefox but the problem persists. While trying to install the roms i wiped everything before.
Problem : Whenever i try installing a custom rom i get an error 7 message that says : xiaomi.verify_vendor() failed to read current vendor UTC build date: -2
I am not able to flash any custom rom and when i try i get this error.

The problem occurred when i tried to boot on my installed rom from multirom recovery. I had backed up everything but when i restore the backup (except the multiRom recovery) the phone is stuck on the pocophone logo.

If you need any more info i can provide please ask for it.
 

ron_hyatt

Senior Member
Apr 2, 2012
537
75
try clean flashing global stable fastboot rom using mi flash tool then flash twrp and flash any rom you want
 

YasuHamed

Senior Member
Dec 17, 2013
2,178
868
It worked. I am now flashing a custom rom. My question is why did this happen ?

I think you came from MIUI10.2.x
since, miui10 on android9, Xiaomi has started using MODIFIED version of VENDOR image*
so when you flash custom rom which works on standard vendor image, it gives your either error7 or hangs on splash screen



*android has following partitions /boot /recovery /system, /data, /internalstorage /persist /OEM
oem or VENDOR partition translates android
using modified oem (vendor) image in android 9, its xiaomi's attempt for speedy android updates (CGI) (treble)
 

santiagoruel13

Senior Member
May 9, 2012
658
254
34
Santa Maria, Ilocos Sur
Huawei P40 Pro
I think you came from MIUI10.2.x
since, miui10 on android9, Xiaomi has started using MODIFIED version of VENDOR image*
so when you flash custom rom which works on standard vendor image, it gives your either error7 or hangs on splash screen



*android has following partitions /boot /recovery /system, /data, /internalstorage /persist /OEM
oem or VENDOR partition translates android
using modified oem (vendor) image in android 9, its xiaomi's attempt for speedy android updates (CGI) (treble)
Just a follow up question..
So what will happen to my phone.. if its on miui 10.2.3.0 then i flashed the latest vendor img?? Will it cause bootloop?? Will it have a better performance?? Will it make games much smoother???
 

YasuHamed

Senior Member
Dec 17, 2013
2,178
868
Just a follow up question..
So what will happen to my phone.. if its on miui 10.2.3.0 then i flashed the latest vendor img?? Will it cause bootloop?? Will it have a better performance?? Will it make games much smoother???

miui10.2.x has its own modified vendor image,
to comeback on standard image, you must flash the image (which you did)
 

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    It worked. I am now flashing a custom rom. My question is why did this happen ?