[solved] ZL dead, no reaction (because of faulty battery) - emergenc charge method - Sony Xperia ZL

I had an issue with my phone and resolved it, this is me sharing this particular error and solution.
First the Problem:
I had my ZL running low on charge and the next morning it would not react to anything.
pushing buttons (and a combination of buttons, like power+volumeup) did not work
connecting it to the charger
connecting to pc did not show the device or trigger a reaction (did not show up in device manager)
Solution A: Install a new battery (e. g. via IFIXIT guide).
Solution B (try on your own risk!!!):
Open the backcover of the device (i used the IFIXIT disassembly guide).
You dont need to remove the main curcuit board, you just need to disconnect the flex-cable of the battery shown in the picture below, the pink marker shows the battery connector (top right).
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I bent the connector so that it was accessible with my universel charger, which looks like this
I connected the two marked connectors go to the + and - on the flex-cable of the battery and the charger signaled that it was charging the battery.
I guess you can use any universal charger of this fashion. Do not use your standard usb charger, it's dangerous!
After 10-20 minutes i reassembled the phone and was able to charge it normally, start it up, etc.
I'm no expert but this is what I think happend:
A completely drained and at the same time worn out battery did not allow chrging the divice. Mine was 20 months old. The phone controls the charging process I think, so maybe there was not enough power left for that.
I will be replacing my devices battery with a new one and I suggest the same I you have had the same problem.
I hope this helps
sterussus

Related

Holux GPSlim 236: bluetooth not works anymore

Hi.
I have buyed Holux Gpslim236 2 years ago. It worked perfectly for 2 years. From few days Bluetooth don’t work anymore. Blue light stop blinking.
Since on internet I have seen that it is a common problem, someone has succeeded in resolving it?
Thanks
Bye
Up up up up up
Up up up up up
I had that problem, its broken. I end up buying the 240 which is even slimmer, but i bought a Diamond now so i dont need it. PM me if you want it
There's a reset procedure that should work, I've done it after I mistakenly turned it on whilst it was connected to USB (never do this!).
I should warn you that you do this at your own risk!
(The safer option is to power it on and take the battery out for a few days and it should achieve the same thing as this.)
First, remove the back cover and battery. Then snap off the top. Be careful not to break the clips like I did:
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Next, use a stiff piece of plastic or the battery cover to bend the plastic near the GPS antenna socket so the board can be lifted out slightly:
Be careful, the board won't come out fully because of the battery clips, but this is ok.
Finally, find the internal battery near the on/off switch and short circuit the pins for about 5-10? seconds.
I don't know how long it should be done for, (I use between 5 and 10) maybe longer, may be shorter but see what works for you. This should reset the state of the device. Snap everything back together (the on/off slider on the case tends to move so make sure it aligns with the hard switch i.e move it to the off position) and replace the battery. When you switch it on, it should work fine I was even going to mod in a switch for mine (a hard reset) so I wouldn't have to keep opening it as it seems to happen randomly at times but then stay ok for ages.
Hope this helps!

[mod] Revive your phone if you don't have enough battery!

This is very iffy, and DO NOT TRY THIS IF YOU CANNOT FOLLOW DIRECTIONS, I AM NOT RESPONSIBLE FOR YOUR PHONE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
This is your problem not mine, if you mess it up
My apologies for supersized images, but they get the point across.
Things you will need.
1. Battery bricked Photon/Motorola Device (x/x2/d/d2/etc)
2. A SPARE USB CABLE, NOT YOUR MAIN CABLE! (Don't be dumb!)
3. Your usb cable you use to to connect your device to your pc.
Directions as follows:
Step 1:
Splice your cable by cutting off the end of the cable (where you would input it to the phone)
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1a: strip the wire about two inches so that white,green,red,black wires are all showing, pull back Green and white wires, as they will not be used.
1b. Strip the red/black wire so they look like below, then wind them up like so.
2. Pull out the battery in the photon.
2a. This is where this gets tricky, look the postive/negative logo's on the battery above the terminals, place the red in the positive terminal and the black in the negative terminal.
2b. Place battery in phone with wires connected to terminal!
3. Plug usb cable into your pc, then connect your usb cable to the phone, wait 2 minutes, and you should no longer have battery too low messages!!!
Remember when you disconnect the phone, UNPLUG THE BATTERY USB CABLE FROM THE PC FIRST OR YOU WILL **** UP YOUR PHONE'S BATTERY SENSOR!!!!
This will work on ALL motorola devices, and most phones period.
This is like jumping your battery from a car.
You're welcome for saving you money , this helped me out SO MANY TIMES.
Luckily I'm not in need of this but I was just wondering earlier this morning if this would be possible.. I figured I'd find out the hard way if it came down to it, but now I know it should work!
Thanks and excellent guide

easy way to start kf without original battery

Hi there!
I'd tried to find easy way to boot my KF w/out original battery and didn't found anything.
All in all I discovered an easy way to boot your KF:
1. disassemble your KF
2. disconnect its battery (isn't soldered, connected w/ socket)
3. connect pins SCL and SDA with wire (watch photos, connection is marked w/ yellow pen)
4. connect your Li-Ion or Li-Poly 1S 3.7V battery (red wires: +, black wires: -, are marked too)
5. wait about 3-4 secs
6. cut wire between SCL and SDA (when KF boots it will continiously switch boot menu)
7. when you cut wire, KF will stop switching, choose "normal boot" with power button
8. well done! it is booting :3
Tested w/ cyanogenmod, eth works well.
When it is on, battery indicator will show "?" and 0% of charge. It means nothing, your KF won't shutdown itself until you discharge battery about 3.1-3.3V)
A bit of photos:
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Sorry for my english, i'm russian and it's quiet difficult to learn this language w/out practice.
UPD: moderator! if i'm wrong, please, move this topic to right forum :з
UPD2: logs when it is shutting down w/out original battery. when i use my way to boot KF sends I2C read: I/O error many times and then it boots ok

(N5100) Blue triangle after battery replacement.

Hi,
In last weeks i found out, that my Note 8.0 has battery issues. Having 50% and making ex. Skype connection after 1 minute just shuted down. This was dead battery. I ran some test and i found that having 75% is dangerous. So i bought new battery and replace it. The new battery came charged to ~70%. I ran about 30 minutes. Second day i turned tablet on and started to working normaly , when suddenly screen started to flicker black to normal and repeated few times. After that screen gone black. I've connected charger to Note and all i could see was Battery image with blinking blue triangle [see img]. I've examined battery and found out, that one cord was broken. So i repaired it. Still no effect. Note works only with charger, without inserted battery. Sadly theres more. Last time i was working and suddenly tablet gone down. Without warning.
Anye ideas will be helpfull. I've searched for a solution, but i was fiding similar problems with overheating icon, but not with this blue one.
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What happens if you put in your old battery? If the problem persists, I'm afraid the some circuit on the board has been damaged.
ektus said:
What happens if you put in your old battery? If the problem persists, I'm afraid the some circuit on the board has been damaged.
Click to expand...
Click to collapse
I'll try with the old baterry, but first i need to solder connection cables
I've done it. I plug the old battery back into tablet and i dont have problems with charging. It looks like the new battery is broken.

current limiter

ello guys I have a LG G FLEX for many years I can not let go of it, I have already bought several spare parts they are always getting the high price. I got tired of buying batteries. they always have a problem with me that is, the phone restarts even with a high battery percentage it always restarts depending on the application that is used, doing some tests I got the battery charged I used a multimeter I tested the poles all ok, I tried to turn on a weak led without problems, everything turned on smoothly, I used a lamp that consumed more current, so the battery started to drop to zero at intervals, I opened the battery and tested it without going through her circuit, I tested it directly on her poles so there was no problem, so the problem was in the circuit small battery, I tried to do a search I didn't find much I saw a video of a gentleman saying that he has a limiter in the battery circuits but the circuit he presented was totally different from mine, I'm not very deep in electronics I took about three old batteries and I tried to find out what that limiter would be and I pulled out a component that I think might be it but I'm not sure yet That's why I come here looking for people with more experience in the matter, I even added a power bank battery to my lg today it turned off twice I already think that the part I removed can't be the right one I'm leaving the circuit photo here . it would be easy to just remove the circuit but if I do that the cell phone will not show the percentage anymore I won't know when it charges and it will be dangerous, so I need the circuit working but without the current limiter, I thought of an electronic schematic in my head I'll leave the image here too, I don't know if it will work, I need the cell phone to read the battery percentage and at the same time not limit the current.
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