SONY Tablet S 1211 big problem

[urgas]

Hi

can anyone please tell me how I can install factory ROM 4.0.3 or 4.1.1 by SD card please

at SGPT1211 US wifi only

is this R5 or R5a or R6a


when I start tablet all time stuck and home screen not responsive


still I am able to vol up + power


please is important for tomorrow

thank you all for any help

 

[urgas]

ANYONE

 

[dex9mm]

So you want to apply an update to the tablet through the recovery
this is blocked by sony because the incremental value of the current firmware is the same as the downloaded update
To get around this you need to root the tablet and apply the rescue backdoor patch in condis a.i.o tool this patch lowers the incremental value of the tablet to fool it in to thinking that there is an update available
This will allow you to intall the update for your tablet


Also you can factory reset the tablet from the recovery menu

Sent from my SGPT12 using XDA Free mobile app