Specifications
iPhone 4 Verication Testing — Carrier Screening 181
2012-02-21
Test Radio Frequency (GSM networks)
There are two ways to test radio frequency (R/F) functionality on a GSM network:
Radio Communication Tester & Shielding Box
Handover and connection test for GSM and UMTS (not parameter test):
1. Put Radio Communication Tester SIM into iPhone.
2. Restart iPhone and put it into shielding box.
3. On the Radio Communication Tester make a call to iPhone, then start connection test for
GSM850.
4. Make handover from 850 through each of the GSM bands and similarly though each of the
UMTS bands on both high and low power levels.
5. Connect to Radio Communication Tester, put iPhone into echo mode and listen to voice
quality.
6. Plug in headphones and conrm detect and ability to hear tester.
7. Check mute function (via the Multi-Touch interface).
8. Send test SMS from Radio Communication Tester to iPhone.
Live SIM calling to another handset or landline
1. Insert active carrier SIM into iPhone if not already present.
2. Make a call from iPhone to another handset/landline in UMTS mode and validate that voice
quality conforms to that expected from a known-good iPhone.
3. Disable UMTS (3G) in iPhone settings in order to test GSM functionality and repeat call from
iPhone to another handset/landline. Verify that voice quality conforms to that expected
from a known-good iPhone.
4. Send SMS from iPhone to another handset.
Test Radio Frequency (CDMA networks)
1. Restart iPhone and put it into shielding box.
2. On the Radio Communication Tester make a call to iPhone, then start connection test.
3. Make handover through each of the CDMA bands and similarly though both high and low
power levels.
4. Connect to Radio Communication Tester, put iPhone into echo loopback mode and listen to
voice quality.
5. Plug in headphones and conrm detect and ability to hear tester.
6. Check mute function (via the Multi-Touch interface).
7. Send SMS from Radio Communication Tester to iPhone.