Software; Software Update - Sony Xperia ZL Test Instructions

Pre-Test Preparations
1.2

Software

1.2.1 Software update

1.2.1.1 Software version verification
Check the software version of the phone for fault verification, you find latest improvements on the
support pages under the support news
• Start up the phone and press call icon on screen.
• Pressing keypad combination: *#*#7378423#*#* (i.e. *#*#service#*#*)
• select 'Service info'
• select 'Software info'
• check the software file revisions and, update as described below
For more information, refer to 1220-1333: Generic Repair Manual - mechanical
1.2.1.2 Software version update
Mandatory first repair action!
Use the Micro USB to USB cable for this purpose!
Fully charged battery first, ensure the phone is powered off and proceed as follows:
• Open the Emma application and log in.
• Press and keep the Volume down key on the phone, connect the phone to the USB cable and then
release the Volume down key.
• Select the appropriate service and follow the on-screen instructions.
NOTE: For phones with internal storage (built in "SD card" user memory), the only services
which erase all user data in the internal memory and update the customization in the internal
storage (MS CDF) are the Services "Refurbish" and "Customize".
See also emma User Guide
info. http://emma.extranet.sonyericsson.com/documents/emma_user_guide.pdf
(see "Service Types" and "Aspects of large files")
1271-7725 Rev 2

Sony Mobile Communications AB – Company Internal
www.sonymobile.com/update
Test Instructions (mech)
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