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Removed battery now phone won't respond.

25 posts in this topic

Posted · Report post

I just rooted my phone and everything went fine but whilst the back was still off (after having to remove the battery for 10/15 secs) the battery fell out, whilst the phone was still on and when I put the battery back in, the phone won't boot back up. Is there any hope, have I fused something or scrambled the battery's chips? I'm not sure what it could be? There is no charging light from either the laptop or mains charger. The only response I get it when I disconnect the phone or the battery from the laptop, the laptop recognises that something has been removed (makes the notification sound).

 

The phone worked perfectly before albeit a little slow, wish I never bothered tinkering now.  :unsure:

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Posted · Report post

Welcome :)
Have you tried plugging the phone into the charger with the battery removed?

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Posted · Report post

Thanks for the welcome.

 

I have tried every combination of battery in/out, laptop/mains charging. It's currently being left in the mains, hoping that it will just pop on :/ But the battery is not getting warm and neither is the phone. I just can't understand why removing the battery would kill both the battery and phone (does some sort or write out/ummount have to happen?)

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Posted · Report post

Another spontaneous G300 death...? :(

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Posted (edited) · Report post

Another spontaneous G300 death...? :(

Probably :(

Edited by george109
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Posted · Report post

Probably :(

 

:(

However, pulling the battery and then plugging it in has bought my G300 back from the dead several times...

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Posted · Report post

Thanks for the hope, I will not give up for a few days tinkering about with it anyway. Thanks for your replies too.

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Posted (edited) · Report post

Thanks for the hope, I will not give up for a few days tinkering about with it anyway. Thanks for your replies too.

happens the same to me some weeks ago. it's a dead motherboard :(

i sended my phone to the warranty and came with a brand new board. they will not notice if you have an unlocked bootloader or root access since the motherboard is dead

The symptoms are:

-phone don´t turn on and don't give any signal of life

-when you connect it on a computer, windows detect an unknown device

Edited by vice17
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Posted · Report post

same as me, so why Dazzo dont remove the new recovery when its killing phones OMG...

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Posted · Report post

I've just received a reply from Huawei who have told me to "give it a good charge for 8 hours" and if I still have an issue, to call their hotline for a detailed diagnostic and if required book a repair.

 

So does this cost me anything? I'm not sure if I'm still in warranty or not? I'll have to find some records and make sure.

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Posted · Report post

You have a 2 year warranty so it wont cost you... Its just crappy hardware

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Posted · Report post

Mine first died after 8 months. This one is 3 months old

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Posted · Report post

same as me, so why Dazzo dont remove the new recovery when its killing phones OMG...

Dazzozo always has a disclaimer, so it's your problem if you choose to flash one of his things. He isn't liable at all, and he can choose to leave it up if he wants.

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Posted · Report post

Pulling the battery and leaving it out overnight can sometimes work miracles.
OTOH pulling the battery while the phone is running is a fairly sure way to scramble the rom,
and according to the literature a fairly sure way to fry flash memory chips.
I've always been surprised how well my G300 battery stayed in while I turned 
it over with the back off.
 
Might be time to put it all back together neatly in the box and try for a return.
If the memory chip is fried your typical servicedroid can't tell what caused it.
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Posted · Report post

I probably shouldn't have done it but I have pulled  the battery on running phones (including the G300) many times without frying anything.

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Posted (edited) · Report post

I probably shouldn't have done it but I have pulled  the battery on running phones (including the G300) many times without frying anything.

Me doing that has an even better effect! :P It makes the battery percentage go up by about 2-5%! :o  No Joke! 

Edited by george109
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Posted · Report post

Mine died too 2 weeks ago, then I bought broken one with working mainboard and created my own Frankenwei (Frankenstein + Huawei LOL)!

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Posted · Report post

Do you know if it had Hynix or Samsung eMMC?
And did you run anything with the 3.4 kernel?

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Posted · Report post

To update: I returned my phone to the Huawei repair centre (at my own cost of about £4) and received it back exactly a week later with a new board inside.

After a few days I'm reminded again of how sluggish it can be and I'm tempted to root it once again but I'm not sure I dare now :(

I just can't stand the delay when I click an app, especially after now owning a Nexus 7 for a few weeks :/

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Posted · Report post

Why are you worried?

It's difficult to brick the G300 unless you do something really dumb - or still have Hynix eMMC and flash the 3.4 kernel based CWM or CM10.2 which allegedly causes problems (and since removed for download anyway).

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Posted · Report post

Because I don't really know what I'm doing ^_^

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Posted · Report post

Then read up on things and learn about it. There's lots of useful information here and a community willing to answer questions that are not covered adequately already.

Otherwise don't mess with your phone if you don't know what you're doing.

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Posted · Report post

happens the same to me some weeks ago. it's a dead motherboard :(

i sended my phone to the warranty and came with a brand new board. they will not notice if you have an unlocked bootloader or root access since the motherboard is dead

The symptoms are:

-phone don´t turn on and don't give any signal of life

-when you connect it on a computer, windows detect an unknown device

I have the same problem with you.My g300 totally have no responds any more,aaa :(

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