Meizu u10 After-sales Maintenance Process

Document Number：MZ-CSGY-03-0241

U10 After-sales Maintenance Process

(Version：V1.0)

Edited By： Shifeng Huang

Reviewed By： Zhifeng Zhong

Approved By： Chuansan Wang

Issued date: August 24th, 2016

Implemented date: August 25th, 2016

Confidential Document

©MEIZU

U10 After-sales maintenance Process

Flash engineer firmware to test

Faulted machine

Detect and

estimate fault

Aging test

Fault

no

found

Estimate
fault

Fault

no

found

Fault

exists

Estimate to replace corresponding parts

Replace

mainboar

d

Replace

battery

Replace

display

cover

Replace

another

parts

Bind

mainboar

Bind

battery

Bind

display

cover

Replace

correspondi

ng faulted

parts

Test
function

Unbu

ndle

NG

PASS

Re-burn

Encrypt

Test

function

Ture back to

Flash the latest

FLYME firmware

Unbundle

display

cover or

battery

NG

PASS

Fault

exists

Clean the

Format and clear

data

PASS

NG

Test

function

Flash the latest

FLYME firmware

Check initially

VF

detection

Fault no found

Flash engineer

firmware

Test Code Under Engineer Firmware ：
*983*1#

Confidential Document

©MEIZU