chinies call failed - GSM-Forum

X-TRA · 04-22-2010, 12:00

i have a set china set when i i make the call its give me the error
unable to call i do the format and also change its imei but its still on call making problem what to do

Herhadi · 04-22-2010, 17:15

Can not make a call

Problem description:
- phone can not make a call
- power-off during a call
- reboot during a call

In most cases it's a result of damaged hardware, but in some cases (f.e. for many Chinese Miracle models) it may be a result of damaged eeprom/ffs area.

How to check what is the problem reason:
-remove sim card from phone
-Power-On phone
-make 112/emergency call

if phone can not make 112/emergency call (power-off during call, can not make a call, "no network" or other similar message displayed at phone LCD) this means you must repair phone hardware RF part (f.e. replace Power Amplifier a.k.a PA)

if phone can make 112/emergency call but can not make other calls it may be result of software problem, f.e.:
- imei is invalid: need to repair imei
- calibration data is damaged: need to restore factory default values (f.e. via "format ffs" operation)

04-22-2010, 12:00	#1 (permalink)
X-TRA No Life Poster Join Date: Jul 2006 Location: PAKISTAN Posts: 2,277 Member: 303790 Status: Offline Thanks Meter: 290	chinies call failed i have a set china set when i i make the call its give me the error unable to call i do the format and also change its imei but its still on call making problem what to do

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04-22-2010, 17:15	#2 (permalink)
Herhadi Insane Poster Join Date: Aug 2008 Posts: 73 Member: 828078 Status: Offline Thanks Meter: 5	Can not make a call Problem description: - phone can not make a call - power-off during a call - reboot during a call In most cases it's a result of damaged hardware, but in some cases (f.e. for many Chinese Miracle models) it may be a result of damaged eeprom/ffs area. How to check what is the problem reason: -remove sim card from phone -Power-On phone -make 112/emergency call if phone can not make 112/emergency call (power-off during call, can not make a call, "no network" or other similar message displayed at phone LCD) this means you must repair phone hardware RF part (f.e. replace Power Amplifier a.k.a PA) if phone can make 112/emergency call but can not make other calls it may be result of software problem, f.e.: - imei is invalid: need to repair imei - calibration data is damaged: need to restore factory default values (f.e. via "format ffs" operation)