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Few days ago I started my Nexus 9 and it didn't manage to load. It started looping.

The loop goes like this:

The four colored dots circling around and then loops again - 5-6 times then it shuts down.

I haven't done anything with it - it's unrooted, original firmware, used it normally since the day I bought it (have it for about 5 years).

I tried anything I knew:

-factory settings, -wiped cache, -flashed original (newest firmware), -flashed earlier versions, -flashed original HTC firmware, -sideloaded newest firmware, -sideloaded an earlier version.

Every procedure ended with a success, but the result was always the same - four colored dots circling around and then loop again ...

Any suggestions (besides "get a new tablet")?

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  • this is called emmc wear-out (and maybe planned obsolescence) fun fact about Nvidia Tegra
    – alecxs
    Commented Jan 25, 2021 at 0:01
  • Sad to hear that ... tablet worked very well and was perfect for me.
    – Alien
    Commented Jan 25, 2021 at 17:32
  • Does this answer your question? Use sd card as internal storage and stop writing to internal memory for good
    – alecxs
    Commented Jan 27, 2021 at 10:20
  • By the way - my bootloader is unlocked, but I'm affraid, I don't have the required knowledge to do this. I read the links but for me its like rocket science.
    – Alien
    Commented Jan 27, 2021 at 22:22
  • oh, didn't expect that! flash twrp recovery from fastboot that will help to figure out which partitions are problematic twrp.me/htc/htcnexus9.html
    – alecxs
    Commented Jan 27, 2021 at 22:31

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