Sony Xperia M Manual page 90

Tests: Manual Tests
This test can only be performed if the phone has an activated SIM/USIM card (no Test
SIM/USIM/UIM) and an available network signal!
There are different versions of the test depending on whether GSM / UMTS network is available
or not!
If GSM / UMTS network is available, the network test has to be done separately for GSM, UMTS!
2.4.4 Procedure (GSM & UMTS)
Do the same for both SIMs for Dual SIM phone!
Step 1: Set up a call from a landline phone (PSTN).
Step 2: Check that there is a ring signal.
Step 3: Check that the display backlight illuminates.
Step 4: Answer the call and check the sound quality in both
phones.
Step 5: Adjust the volume up and down with the side keys
and verify that the sound level is altered.
Step 6: End the call and check that the elapsed time is
displayed and that the termination is done properly.
1277-1359 Rev 2
© Sony Mobile Communications AB – Company Internal
Test Instructions (mech)
24(25)