iPhone 4S Apple logo on/off - GSM-Forum

iTechGuy · 08-10-2012, 03:19

Hello,

iPhone 4S which was slightly water damage, looked at it no corrosion but the batter connector was corroded. Took it off and replaced it now is clean.

Put a new battery in there, all it does goes to apple logo and turns off does the same concept over and over again.

Can anyone help me out please

ps3xbox · 08-12-2012, 21:31

Quote:

Originally Posted by iTechGuy

Hello,

iPhone 4S which was slightly water damage, looked at it no corrosion but the batter connector was corroded. Took it off and replaced it now is clean.

Put a new battery in there, all it does goes to apple logo and turns off does the same concept over and over again.

Can anyone help me out please

yes when gas gauge connector is corroded applelogo flashes..check for continuity to all 4 points on battery clip with corresponding poiints on logic board

iTechGuy · 08-13-2012, 03:07

Ok, may you point out where are the gas gauges? THe corresponding point on the logic board?

dog68 · 08-13-2012, 08:11

Look at the schematics, they are here on forum.

luig23 · 08-20-2012, 00:24

Quote:

Originally Posted by dog68

Look at the schematics, they are here on forum.

I used the schematics. I soldered the gas gauge to point R61 and still got constant reboot then to C300 with the same result. Is there another point or can someone please post a picture. My gas gauge pad is missing and I was doing a screen fix for a customer. Please offer advice or a way to bypass gas gauge reboot software wise.

08-10-2012, 03:19	#1 (permalink)
iTechGuy Major Poster Join Date: Jun 2012 Posts: 41 Member: 1774720 Status: Offline Thanks: 0 Thanked 3 Times in 3 Posts	iPhone 4S Apple logo on/off Hello, iPhone 4S which was slightly water damage, looked at it no corrosion but the batter connector was corroded. Took it off and replaced it now is clean. Put a new battery in there, all it does goes to apple logo and turns off does the same concept over and over again. Can anyone help me out please

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08-13-2012, 03:07	#3 (permalink)
iTechGuy Major Poster Join Date: Jun 2012 Posts: 41 Member: 1774720 Status: Offline Thanks: 0 Thanked 3 Times in 3 Posts	Ok, may you point out where are the gas gauges? THe corresponding point on the logic board?

08-13-2012, 08:11	#4 (permalink)
dog68 Freak Poster Join Date: Mar 2012 Location: cambridgeshire, England Age: 44 Posts: 426 Member: 1728699 Status: Offline Thanks: 136 Thanked 92 Times in 81 Posts	Look at the schematics, they are here on forum.