Check if the phone has valid IMEI
Use reference phone, switch to same RAT(2G/3G), check if ECC call available.
Note: Phone will perform cell selection regardless of PLMN when no SIM insert, thence different phones may select cells of different PLMNs due to disparity of HW performance, so we should change more locations when perform reference test.
Use reference phone, switch to same RAT(2G/3G), check if ECC call available.
Note: Phone will perform cell selection regardless of PLMN when no SIM insert, thence different phones may select cells of different PLMNs due to disparity of HW performance, so we should change more locations when perform reference test.
扫一扫
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
