Firmware infos :

Patch Level    : O11019
Display ID     : O11019 release-keys
Ver. CodeName  : REL
Ver. Release   : 8.1.0
Sec. Patch     : 2021-04-05
Build Time     : 30.03.2021
Product Model  : 5033Y
Product Brand  : TCL
Product Device : U3A_PLUS_4G
Product Manfct : TCL
Product Info   : U3A_PLUS_4G
Product Board  : MT6739
Board Platform : mt6739
build date : Fri Apr 16 21:48:47 CST 2021
build display id : Nougat
product brand : TCL
product device : U3A_PLUS_4G
product manufacturer : TCL
product model : 5033F_EEA 

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