How to downgrade device zc550kl,without help of laptop or PC ,?

Please tell us some basic information before asking for help:

  1. Model Name:ZC550KL,Z010D
  2. Firmware Version:13.8.26.80
  3. Rooted or not: not
  4. Frequency of Occurrence:-
  5. APP Name & APP Version (If your issue relates to the app):

In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.

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Best Answers

  • kishore.ghubadekishore.ghubade Level 1
    Accepted Answer

    Device is Z010D,ZC550KL,2016 ,

    3gb ram,32Rom device

    Built no.13.8.26.80

    I want dawngrade to 13.8.26.56.


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