Root Integrity Check Guide - Acer Z630 Service Manual

Acer
5) Complete download.

Common causes of failure to upgrade:
C. Use wrong files to upgrade, for example, use others models software.
Measures: use correct files.
D. When copy original files from computer to SD card, anti-virus software maybe
break some internal files or SD card is defective, lead to upgrade package
copied be different from the original package (use tool for contrasting or
contrast md5 can recognise , verifying files failure in the process of upgrading
lead to upgrade failure.
Measures: delete the software package in the SD card, recopy again to try or
change another SD card, copy original package again to retry.

7. Root integrity check guide

7.1 Background
Mobile phone in the customer's hands are download problem, after-sales
servicer how to judge whether mobile phone has been downloaded?
SERVICE GUIDE
Page : 22/68
Language :English
Date : 2015-07-06