Originally Posted by PJ Clifford
Is this true even if you loaded a custom recovery such as TWRP or CVM? My (probably faulty) understanding is that the custom recoveries were missing "something" that kept them from doing an automatic OTA update. Is that still correct?
There is potential for custom recovery to be missing something as they sometimes use custom kernels which sometimes aren't built the exact same way as google/asus, so to be safest stick with stock recovery. I've had this problem on past platforms. On LG, the custom recovery would be able to flash everything except the Phone's radio, because the sequence for that was done in a proprietary manner. That left you with the new rom but the old phone radio, which basically wouldn't boot.
As it stands right now, TWRP 188.8.131.52 includes the stock kernel and has been verified to work for OTA updates. TWRP 184.108.40.206 includes a custom built kernel by the TWRP developers, so it hasn't been tested.
My advice is, stick with stock recovery, then wait it out for someone else to test out OTA updates on the particular custom recovery you are interested in, and then if that is successful, you can consider using that in the future.
What I can say is Google tests their OTA updates using stock recovery, so that is the safest to use, but other recoveries can also work especially if they include a stock kernel (but the chances for issues increases the more they deviate from stock)
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