mercredi 12 août 2015

Upgrading Rooted Tablet to Software Upgrade 3.1 for Recall



Hi,

I have a 32GB LTE RoW NVIDIA SHIELD Tablet, in France.

I rooted my tablet shortly after receiving it in December 2014, and haven't really upgraded the OS after that, so I'm still on the 2.1 software update (running Android 5.0.1). I never installed CWM or TWRP.
My tablet is one of the tablets affected by the recall (I checked the serial number), but since I'm still running the 2.1 software upgrade and need the 3.1 software upgrade to go through the recall procedure, I tried using the builtin OTA installer, which errored once it rebooted to install. I then told myself it was probably because my tablet was rooted, so I tried unrooting with SuperSU, which errored. I then tried flashing a new recovery.img using fastboot, but when I select `fastboot protocol` from the recovery menu, it just cycles back to the recovery menu. I attempted to re-root with towelroot and SuperSU but towelroot froze and SuperSU failed.

I'm really not sure what to do at this stage and I'm afraid I might have bricked my tablet. It boots into the Android OS just fine, but I'd both really enjoy doing the software upgrade and doing the tablet recall. Any help is greatly appreciated, though I'd like to avoid answers discouraging participation in the recall if possible.

A million thanks in advance,
MrAster



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