what is wrong with this error

[nepoleanl]

i have a nokia 6020 imei?????????????
i write imei using mx key now no network
when i do selftest all test show passed but one of it shows no signal what should be the problem

Phone Type: RM-30
SW version: V 05.22 23-05-07 RM-30 (c) Nokia.

ID Test name Startup Result
46 UEM_CBUS_IF Y passed
1 AUX_DA_LOOP Y passed
3 EAR_DATA_LOOP Y passed
17 TX_IDP_LOOP Y passed
18 TX_IQ_DP_LOOP Y passed
12 SIM_CLK_LOOP Y passed
13 SIM_IO_CTRL_LOOP Y passed
8 MBUS_RX_TX_LOOP Y passed
20 BACKUP_BATT Y !no signal
39 WARRANTY N passed
51 PA_TEMP Y passed
33 SIM_LOCK Y passed
10 PPM_VALIDITY N passed
7 KEYBOARD_STUCK N passed
41 FLASH_CHECKSUM N passed
22 CAMERA_IF N passed
54 EXT_RAM_DATA_BUS N passed
55 EXT_RAM_ADDR_BUS N passed
45 IR_IF N passed

[nepoleanl]

and phone automatically switch off in one or two minutes please help

[waqas_ali601200]

try to write pm file ..

if not working mustly u have UEM peroblem