i Found the Basic problem of iPhone 4S Signal bar - GSM-Forum

vista961 · 02-28-2012, 22:26

Many are having these errors :
- Sim Failur
- No Service
- Invalid Sim ( After " Sim Failure " appear )
- One bar signal and sometime none bar ( ----- )

For iPhone Factory Locked and Unlocked

The basic problem when you get these error jump to Settings ==> Phone ==> Show my caller ID ( will appear off ) when you will turn it On everythings work as Normal

But After a good time 2 or 3 hours approximal it will turn off automaticly off And the problem is back

If someone have solution post it here

I try To restore And i try it with jailbroken device and normal device no solution

Thank you ...

Sent from my iPhone using Tapatalk

dragosgsm · 02-28-2012, 22:34

try changing your SIM card

swisss · 02-28-2012, 22:36

Yes,agree with mate,change sim card.I m using my 4s from
2 months.working great.this was unlocked by
Imei.

algerienbox · 02-28-2012, 23:08

There is 2 firmware 5.0.1....for iphone 4S try this ((9A406))

dragosgsm · 02-28-2012, 23:14

Quote:

Originally Posted by algerienbox

There is 2 firmware 5.0.1....for iphone 4S try this ((9A406))

realy???...and what's the other one???
don't post bull$hit...

babji · 02-29-2012, 01:01

Quote:

Originally Posted by algerienbox

There is 2 firmware 5.0.1....for iphone 4S try this ((9A406))

he is right the problem is firmware

Quote:

Originally Posted by dragosgsm

realy???...and what's the other one???
don't post bull$hit...

if u dont know plz dont comment

5.0.1 (4S)[9A405]:http://appldnld.apple.com/iPhone4/04...5_Restore.ipsw

5.0.1 (4S) [9A406]: http://appldnld.apple.com/iPhone4//0...6_Restore.ipsw

02-28-2012, 22:26	#1 (permalink)
vista961 Junior Member Join Date: Feb 2012 Location: Lebanon Posts: 15 Member: 1721186 Status: Offline Thanks Meter: 6	i Found the Basic problem of iPhone 4S Signal bar Many are having these errors : - Sim Failur - No Service - Invalid Sim ( After " Sim Failure " appear ) - One bar signal and sometime none bar ( ----- ) For iPhone Factory Locked and Unlocked The basic problem when you get these error jump to Settings ==> Phone ==> Show my caller ID ( will appear off ) when you will turn it On everythings work as Normal But After a good time 2 or 3 hours approximal it will turn off automaticly off And the problem is back If someone have solution post it here I try To restore And i try it with jailbroken device and normal device no solution Thank you ... Sent from my iPhone using Tapatalk

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02-28-2012, 22:34	#2 (permalink)
dragosgsm No Life Poster Join Date: May 2005 Location: Bacau Posts: 3,229 Member: 148032 Status: Offline Thanks Meter: 415	try changing your SIM card

02-28-2012, 22:36	#3 (permalink)
swisss No Life Poster Join Date: Aug 2010 Location: HGJIKL Posts: 730 Member: 1360208 Status: Offline Thanks Meter: 133	Yes,agree with mate,change sim card.I m using my 4s from 2 months.working great.this was unlocked by Imei.

02-28-2012, 23:08	#4 (permalink)
algerienbox No Life Poster Join Date: Sep 2007 Location: algeria Posts: 2,360 Member: 591880 Status: Offline Thanks Meter: 561	There is 2 firmware 5.0.1....for iphone 4S try this ((9A406))