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I am not finding the option Wipe Cache in the recovery mode of Google Pixel 2.

can anyone tell how could i enable it if it is disabled by default and is it there in this device or not?

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Reset to default
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Your device doesn't have /cache partition

Reasons

  • /Cache partition is not required to be as big on devices which have A/B partition catering to seamless updates since it doesn't need to store OTA updates which are done seamlessly

The cache partition is no longer used to store OTA update packages, so there is no need to ensure that the cache partition is large enough for future updates

A/B devices do not need a recovery partition or cache partition because Android no longer uses these partitions.

For non-A/B updates, the cache partition was used to store downloaded OTA packages and to stash blocks temporarily while applying updates. There was never a good way to size the cache partition: how large it needed to be depended on what updates you wanted to apply. The worst case would be a cache partition as large as the system image.

Pixel 2 like my device MiA1 follow this system and they probably decided to do away with the entire partition instead of keeping it small

Edit: Thanks to BoLawson, who pointed out that app cache is on B partition. See APK Caching|AOSP. Note that this is only applicable for popular apps / apps on the device out of the box.

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    Adding to that, if you install a custom recovery like TWRP on such devices that use the A/B paritioning schema, the Wipe Cache button actually does nothing at all, due to the absence of /cache.
    – iBug
    Aug 27, 2018 at 13:31
  • So how does one wipe cache on those devices without root – considering this is sometimes a good advice when some things start misbehaving, e.g. due to broken files in cache?
    – Izzy ♦
    Aug 27, 2018 at 15:31
  • @izzy No way I know of... You can't wipe
    – beeshyams
    Aug 27, 2018 at 16:03
  • @beeshyams If you refer to my comment from "15:31", I don't get it. Maybe it's because I didn't follow the link? No, that doesn't describe how to "wipe cache" :)
    – Izzy ♦
    Jan 8, 2019 at 20:19
  • @Izzy : I was drawing your attention to the fact that it can't be cleaned as stated earlier but yes edit being an interesting tidbit thought of tagging you. Sorry for the delayed response, Saw only now
    – beeshyams
    Feb 10, 2019 at 14:50

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