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

kishore_ghubade
Star III
Please tell us some basic information before asking for help:
Model Name:ZC550KL,Z010D
Firmware Version:13.8.26.80
Rooted or not: not
Frequency of Occurrence:-
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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2 ACCEPTED SOLUTIONS

Accepted Solutions

victor010
Zen Master III
Hi there, kindly mention to which firmware version you want to downgrade and from which firmware version, so that we can help you better.

View solution in original post

kishore_ghubade
Star III
Device is Z010D,ZC550KL,2016 ,
3gb ram,32Rom device
Built no.13.8.26.80
I want dawngrade to 13.8.26.56.
screenshot-20200727-151643.jpg

View solution in original post

4 REPLIES 4

victor010
Zen Master III
Hi there, kindly mention to which firmware version you want to downgrade and from which firmware version, so that we can help you better.

Mehar
Star II
I have max Pro m2 with Android 10 version .424 right now I want to install Android 9 version .094 please Advise how re install Android 9

kishore_ghubade
Star III
Device is Z010D,ZC550KL,2016 ,
3gb ram,32Rom device
Built no.13.8.26.80
I want dawngrade to 13.8.26.56.
screenshot-20200727-151643.jpg

kishore_ghubade
Star III
See details screenshots
screenshot-20200729-141505.jpg
screenshot-20200729-141458.jpg
screenshot-20200729-141451.jpg
Please give details.