Y91i vivo 1820 - a supported Vivo model by ChimeraTool

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Y91i

vivo 1820
Dynamic

Y91i

Features

Factory reset  
FRP Remove  
Repair IMEI *  
Update Firmware  

Licences

ProPremium
Buy now!Or login if you have active licence.
* This function is intended for restoring the phone's original IMEI only. Before continuing, please make sure that repairing the IMEI is not prohibited by any law in your country.
You are running this procedure on your own responsibility. https://en.wikipedia.org/wiki/International_Mobile_Equipment_Identity