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    Fried mainboard?

    Hi, I'm new to these forums so please forgive me if I contravene any forum etiquette

    I have a SGSII which went for a little swim a few weeks back. It fell into a sink full of water but could have only been in there for a second. Phone was working when I pulled it out and I swiftly pulled out the battery and set about drying it.

    The phone eventually started up but these are my problems

    1. The phone massively overheats as soon as you put the battery in. It doesnt even have to be switched on. Part of the motherboard is seriously overheating. If you look at the back of the phone, on the right hand side, about 2 thirds of the way down, this seems to be where the heat is coming from. I have to pull the battery after about a minute in fear of meltdown.

    2. I charged the battery in a friend's phone and when I tried switching on, it fires up fine (apart from the same overheat problem) but it tells me to connect the battery charger and shows the battery as being almost drained when I know this is not the case. Everything seems to be there such as messages and all media.

    3. The clock says its 0:00 and the date is 1 January. Im not sure whether this is because the battery has been out for so long or because it's fried.

    Im tempted to send it off to samsung to have a look at even if it is outside of the warranty. I'd rather spend a bit of money getting it fixed rather than flog it on ebay.

    However, I was wondering whether anyone had any thoughts of suggestions as to what might be causing the overheat and whether it is worth trying to get repaired.

    Thanks for your thoughts and assistance in advance.

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  3. #2
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    Sounds terminal so you may as well try:
    1. The USB port is where you may still have moisture.
    Use a blowdryer to remove.

    If that doesnt help, on a fully charged battery:
    2. If you have ClockworkMod, go into recovery > advanced and reset your battery
    If not Dial #*2286# to get into battery recalibration [EDIT: Doesn't work]

    3. Carry out a factory reset from Recovery
    Or dial *#*#7780#*#*

    4. For a complete wipe [CAUTION] that may require a reflash of firmware:
    *2767*3855# FACTORY DATA WIPE AND internal SD RESET as soon as you enter # use only if you want wipe your phone
    Last edited by greenman; 04-17-2012 at 07:39 PM.

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    Cheers

    Many thanks for a prompt response. I don't have clockworkmod but shall try the other suggestion and let you know how it goes

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    Thanks but it says unknown command for #*2286#

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    Ok you can bypass this and go straight to factory reset.

    Best to carry out a factory reset from Recovery
    if not
    dial *#*#7780#*#*

    Fuller set of codes here:
    Secret Codes
    note: these codes should activate automatically after the last character input * (aka NO WARNING)
    Code Description
    *#0*# testing mode
    *#06# view IMEI number
    *#0011# service mode signal status
    *#1234# display phones current firmware
    *#*#4636#*#* battery and other general settings like GSM/CDMA
    *#*#7594#*#* change the "Power" button action in your phone.
    *#*#7780#*#* Factory data soft reset
    *#*#8255#*#* Gtalk service monitor
    *#*#273283*255*663282*#*#* Opens a File copy screen where you can backup your media files
    *#*#1472365#*#* GPS test
    *#*#197328640#*#* service mode main menu
    *2767*3855# Factory Hard Reset to ROM firmware default settings
    *2767*2878# leave Factory
    Last edited by greenman; 04-17-2012 at 07:14 PM.

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    Im afraid that didnt help

    Even disconnected the usb port and the chips still heats up. If it's any help it appears to be around chip U503 but there are so many smaller components around it that it's impossible to know.

    Off to Samsung with it I guess.

    Thanks anyway

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    Sorry I couldn't be of more help, but afraid S2's and water don't get on well together.
    Good luck with Samsung - reckon your insurance would be a better place to visit (if you have cover)

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    Immersion, dead U503 (USB OTG) and Workaround

    Quote Originally Posted by matunkle View Post
    Hi, I'm new to these forums so please forgive me if I contravene any forum etiquette

    I have a SGSII which went for a little swim a few weeks back. It fell into a sink full of water but could have only been in there for a second. Phone was working when I pulled it out and I swiftly pulled out the battery and set about drying it.

    The phone eventually started up but these are my problems

    1. The phone massively overheats as soon as you put the battery in. It doesnt even have to be switched on. Part of the motherboard is seriously overheating. If you look at the back of the phone, on the right hand side, about 2 thirds of the way down, this seems to be where the heat is coming from. I have to pull the battery after about a minute in fear of meltdown.
    ...

    However, I was wondering whether anyone had any thoughts of suggestions as to what might be causing the overheat and whether it is worth trying to get repaired.

    Thanks for your thoughts and assistance in advance.
    AND
    Quote Originally Posted by matunkle View Post
    Im afraid that didnt help

    Even disconnected the usb port and the chips still heats up. If it's any help it appears to be around chip U503 but there are so many smaller components around it that it's impossible to know.

    Off to Samsung with it I guess.

    Thanks anyway
    Hi,

    know it's a bit stale but thought I'd just let you know that I had (correction: my WIFE had ) the same issue. She immersed it in (ahem) the toilet, after which it would overheat in that lower left/right area. It then became my issue.

    That was in Feb, it took me a while to get to it (thought I'd let her use her old phone for a while) but started in May. Downloaded the manual and found u503 was overheating within seconds upon start up.

    Anyway I have implemented a workaround that has the SGSII device working again, I'll post it in a separate thread here.

    Quote Originally Posted by greenman View Post
    Sorry I couldn't be of more help, but afraid S2's and water don't get on well together.
    Agreed!

    Pitrack_1

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