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I could not up date 8.1

svraffter
Star II
ZF Model: ZB570TL
RAM: 4G
Firmware/APP Version: WW-14.02.1809.70_20190708
Frequency of Occurrence: 1
Rooted: No
APP Name:

I bought this smartphone end of last year at Chinese shop through aliexpress. android version 7.0 Firm no. WW-14.02.1809.70_20190708 Base band version MOLY.LR11.W1603.MD.MP.V35.4.P119, 2018/09/17 10:38 Kernel version 3.18.35+ wind-kernel@droid #1 Mon Jul 8 15:45:08 CST 2019 Build no. WW-Phone-14.02.1809.70-20190708 I tried to up date android version 8.1 by using manual up date. But I could not it. It indicated failure halfway through. (Version WW-15.02.1810.347 2018/11/14, version WW-15.02.1904.453 2019/05/23) Of course, I chcked system up date several times. But I did not get it. Could you show me how to do it ? [img]https://dlcdnww-zentalk.asus.com/zentalk/static/image/common/loading.gif[/img]
16 REPLIES 16

I just bought this fake device
So this is actually possible, why did ASUS allow this to continue happening?
I bought this device from Jumia Nigeria.

I could not up date 8.1 version