Can Mi4c can Boot without battery? - Xiaomi Mi 4C

Hi,
I'm french so plz apolagize my English
So i have an issue, last sunday at a student party i left my phone in the WC during ten minutes. When i see it, i open it and take over the battery but with the pannic i broke the battery. So when i have take over all the water of my phone i can boot on the twrp
when it connected to the electrical current, but i can't boot on the system. I would like to know if it is because the phone recognizes that lack the battery, or just because it's broken. So Somebody may takeover the battery of this phone and try to boot it, to know if i have to buy a new battery to save my phone or it's definitely broken ^^
Thaanks Bro

Related

[Q] Dead bootloader HTC Sensation

Hi, my HTS Sensation is not switching on, not entering bootloader
i think that bootloader the fell off, is it possible restore dead bootloader if phone not turn on? is there any manual how to unbrick device?
thanks for help!
Did the let the battery die all the way by any chance?
If so, the battery is too low and I believe certain recoveries don't charge the phone (it's a bug). If you let it die all the way, take an old charger with a comparable output voltage and rip the end off that goes into the phone. There are gonna be two wires, red and black. Take the red and attach it to the + Terminal on the battery, and the black goes to the - Terminal. Do this for maybe 15 to 20 minutes, and that'll charge the battery - hopefully enough to turn the phone on. Do this with the battery out of the phone and make sure the wires never touch or cross. There are four terminals on the battery, the inner two shouldn't be touched, ever.
Again, only do this if you happened to let the battery die completely, as it's semi risky and making a mistake can damage the battery.
Try this:
1. Unplug battery and put it back try to boot in bootloader mode if that didn't work.
2. plug the USB cable in and hook it with the computer and try to boot it. If your computer show up some device found but is not show as normal android usb or sensation. most likely your sensation got hardware damage. If that happened try to contact HTC and ask for repair service.
I got similar issue before (rooted and s-off then sh1t my device during flash the rom) I send back to HTC and they repaired and send it back to me only shipping fee charged.
the battery is full, but the phone doesn't respond... the bootloader not run anymore
I have no guarantee, and I don't know where is service center HTC
Do as Johnsonyc said, remove your battery, reinsert it, and try to boot it up. If not, ship it to an HTC center and they should take care of it.
Did you do anything to cause this or did it just happen out of nowhere?
One trick you can try is to pull the battery, put it back in, insert a usb cable, hold volume down, then plug the usb into a comp. Sometimes that will get it to boot up.
Thanks for all.... but you don't understand?! I did everything 100 times .... do you know what is a bootloader? it (boot up) does not exist... just bricks
There are two solutions: 1)- send to a service center (pls. not offered).
2)- flash the bootloader - if anyone knows how to do it, please write.
thank you
Cool down sunshine. I don't believe we can flash the bootloader. Just send it in to HTC, they'll take care of it.
oh... it seems I'm sunk ... I live abroad and bought it on eBay :'(
elezaregilsja said:
oh... it seems I'm sunk ... I live abroad and bought it on eBay :'(
Click to expand...
Click to collapse
hey i am also having the same problem...
did u get any fix for this
Dead Boot Reflash
You can try with this one
riffbox[dot]org
to use this box, u need some soldering exp: and flashing exp:
There are some boxes like this but I only friendly with this one.
me too a have the seme problem
tomor a i wiill send to a privat servis
i think mast to FLASH new softwer with RIFF BOX JTAG
i tell you next time... what hapend
soory for my english
Boot repair done...!
Hi every body having this problem its done with octoplus box jtag

Oneplus One Reboot Issue : Suggestion or Help Needed

My OPO is having a reboot issue, was on cos13, cm14.1 and ubuntu with mutirom,
Symptoms
1. the phone stays on if connected to a charger or powerbank.
and without charger it bootloops at the 1+ logo
2. in switched off state, when charger is connected the battery sometimes shows 0% and increases to 100%
3. with charger i entered cm recovery, removed the charger, the phone stayed all night long with cm recovery menu display on.
after draining the battery, i plugged back charger and the phone in switched off state did show the regular charging animation and took the usual time to full charge.
after full charge I removed the charger, tried to power on the phone boot loops at 1+ logo.
4. without charger it can enter fastboot mode.
5. with charger it can boot into os, shows charging, led lit up, but after removing charger it won't stay long, also if opening camera it turns off.
6. even on powerbank it can boot up and stay switched on. and work normally (camera etc anything)
(7. while turned off and on charger the animation shows charging but the top led isn't on.) - I don't remember it lighting up on charging while switched off
8. the night before this issue occured, my phone rebooted twice while watching youtube. and in the previous nights also I noticed battery dropping overnight.
what all I tried,
1. fastboot flashed cos, - not solved
2. flashed using Qualcomm USB port tool - not solved.
3. ran the make_ext4fs /dev/block/mmcblk0p15 command in twrp. - not solved.
4. erased and flashed persist.img - not solved.
so what could be the problem, opo is now my secondary phone, now using op3 as primary.
The battery is at its end of its life....replace the battery and all your problem will be gone...
you're not the only one that have experiences this problem (i have seen more then 10 people having the same problem)...last year and this year there a lot of people having bootloop problem due to dying battery...factory reset, flash stock rom and etc won't help you solved this problem...
i personally have this problem last year and after i replace the battery all my problem gone...i think Oneplus made OPO batteries only lasted for 2 and a half year....
iPusak Gaoq™ said:
The battery is at its end of its life....replace the battery and all your problem will be gone...
you're not the only one that have experiences this problem (i have seen more then 10 people having the same problem)...last year and this year there a lot of people having bootloop problem due to dying battery...factory reset, flash stock rom and etc won't help you solved this problem...
i personally have this problem last year and after i replace the battery all my problem gone...i think Oneplus made OPO batteries only lasted for 2 and a half year....
Click to expand...
Click to collapse
thanks for the reply i guessed that, but still wasn't sure, can it be also due to any issues to board, anyway since i've done with flashing and all i'll try an OP service center, and hope it won't costs me big.
jnraj said:
thanks for the reply i guessed that, but still wasn't sure, can it be also due to any issues to board, anyway since i've done with flashing and all i'll try an OP service center, and hope it won't costs me big.
Click to expand...
Click to collapse
Nope it is not issues with the motherboard but batteries...the phone can be turn on like normal when charger is connected and goes into bootloop once the charger is disconnected....its a clear sign that the battery is dying...when it connected to the charger, it may look like the battery is full but it is not...just buy a new battery and all your problem will be gone...you can try flashing lot of rom, revert to stock or whatever you do in fastboot but it ain't gonna help you...it might boot normally but within an hour it will goes back to bootloop....
like i said before i was on the same pages as you last year...all the flashing stuff didn't work until i replace the battery....there no issues with the motherboard whatsoever....my phone still work atm without any bootloop problem...
feel free to go to OP services center if you want, if they tell you it was a motherboard issues then you have been screwed by the services center by repairing something that is still in good condition and you gonna pay more then just a batteries afterwards...
iPusak Gaoq™ said:
Nope it is not issues with the motherboard but batteries...the phone can be turn on like normal when charger is connected and goes into bootloop once the charger is disconnected....its a clear sign that the battery is dying...when it connected to the charger, it may look like the battery is full but it is not...just buy a new battery and all your problem will be gone...you can try flashing lot of rom, revert to stock or whatever you do in fastboot but it ain't gonna help you...it might boot normally but within an hour it will goes back to bootloop....
like i said before i was on the same pages as you last year...all the flashing stuff didn't work until i replace the battery....there no issues with the motherboard whatsoever....my phone still work atm without any bootloop problem...
feel free to go to OP services center if you want, if they tell you it was a motherboard issues then you have been screwed by the services center by repairing something that is still in good condition and you gonna pay more then just a batteries afterwards...
Click to expand...
Click to collapse
I have almost exactly the same problem. The thing is I cannot find a way to enter multirom recovery even on a charger. When on a charger it tries to boot into my primary rom but gets stuck on it endlessly.
Are you sure its the battery? I mean, mine charges to 100% when plugged in and doesnt seem to have any problem with charging. Mine did it a few days ago, it went into a bootloop for no reason. I havent touched anything for a year and it happened so randomly and lost everything I had on it...
MetalmanIX said:
I have almost exactly the same problem. The thing is I cannot find a way to enter multirom recovery even on a charger. When on a charger it tries to boot into my primary rom but gets stuck on it endlessly.
Are you sure its the battery? I mean, mine charges to 100% when plugged in and doesnt seem to have any problem with charging. Mine did it a few days ago, it went into a bootloop for no reason. I havent touched anything for a year and it happened so randomly and lost everything I had on it...
Click to expand...
Click to collapse
Yes i'm sure of it...i have seen more then 10 opo user in my country that have the same problem as me and when they all replace the battery after my suggestion...all their problem go away without having reflash anything...
Sent from my A0001 using Tapatalk
iPusak Gaoq™ said:
Yes i'm sure of it...i have seen more then 10 opo user in my country that have the same problem as me and when they all replace the battery after my suggestion...all their problem go away without having reflash anything...
Click to expand...
Click to collapse
Hey dude Thanks a lot... I was facing exactly same issue for last 2 days... I bought OPO on Dec 5 th 2014... I think its battery only works 2 years...
@iPusak Gaoq™, tried to get a suitable battery online but the shipping charge killed most deals, some were even counterfeits, so finally I decided to visit an op service centre, they replaced the battery with a new one, now my OPO is good as new. thanks again.
I was just going to post, about my issue, but the forum suggested your post. I read the first post, and yes, I am facing the exact same problem. Taking a picture and the phone shuts off. Vibrating from getting a notification and restart.
And the saddest part, the phone won't boot into OS if is it not plugged to PC or AC power.
My Opo is almost two years old. Can you suggest a good battery replacement for me?
leokook said:
I was just going to post, about my issue, but the forum suggested your post. I read the first post, and yes, I am facing the exact same problem. Taking a picture and the phone shuts off. Vibrating from getting a notification and restart.
And the saddest part, the phone won't boot into OS if is it not plugged to PC or AC power.
My Opo is almost two years old. Can you suggest a good battery replacement for me?
Click to expand...
Click to collapse
Hard to suggest which batteries is good if you planning to bought it online cause there no way you can know whether the batteries you gonna buy is original or OEM...only when you bought the batteries in a retail store then you can see whether its original or OEM and yes the differences between both batteries is noticeable...
Sent from my A0001 using Tapatalk
Hello All, Don't know whether posting in right thread or wrong!....
My OPO is almost 3 years old, it is rebooting automatically i.e Powered by Android screen showing & then again it will restart with the same. Continuously rebooting the same until long press the power button for force shutdown. I need a solution , kindly help me out.
Am not an software engineer to understand the programming terms, hence if you share line to line steps, i can try..
Harishxda said:
Hello All, Don't know whether posting in right thread or wrong!....
My OPO is almost 3 years old, it is rebooting automatically i.e Powered by Android screen showing & then again it will restart with the same. Continuously rebooting the same until long press the power button for force shutdown. I need a solution , kindly help me out.
Am not an software engineer to understand the programming terms, hence if you share line to line steps, i can try..
Click to expand...
Click to collapse
Replace the battery of your Phone, it will be back to normal.
Changed battery but issue is sill there..
Will i found original battery at Ahmedabad Service Center
jnraj said:
@iPusak Gaoq™, tried to get a suitable battery online but the shipping charge killed most deals, some were even counterfeits, so finally I decided to visit an op service centre, they replaced the battery with a new one, now my OPO is good as new. thanks again.
Click to expand...
Click to collapse
as i m facing same issue since last sunday, i think i shall go to Oneplus Service center here in ahmedabad for replacement of battery, how much they charged for battery replacement.??
thanks..
samiran das 03 said:
Changed battery but issue is sill there..
Click to expand...
Click to collapse
you still having OPO? Did issue resolve?

plz help to make my one plus one alive...

Hello gyz, i ve a one plus one and its bricked now its not booting to recovery and Fastboot its only shows one plus logo and powered by android in half erased and sometimes when plugged to charger it shows the battery is low and some Chinese blah blah and when tried to boot Fastboot its get off and its stand off for somtimes.....
Can any one have a solution for this
Plzz help
Sorry for my bad English.....
let the phone charger for 10 minutes and then turn it on while the charger is still connected....if its boot then the problem is the battery...buy new battery and it will solved your issues....
This happened with me as well sometime back, I had to replace the battery. And in my case the charging strip also broke (may be a short-circuit).
Service centre people said that my motherboard needs a replacement and will cost around 15-17K, however, I found a website which fixes any hardware issues in a nominal cost (doing a chip level repair) and if a part needs a replacement they will only replace that specific part. GadgetWood is their name. Google it.
I will suggest to leave the phone connected to the stock charger overnight if a few minutes doesn't help. Hopefully that will fix the problem.
All the best.
But i ve charge it and then it get stucked on one plus half logo for a long time
The charger must be connected when you turn on your phone...that is how you check whether the battery is good or bad...

Shutting down after startup

Hi,
there are some threads about the bootloop problem, but I couldn't find exactly same problem: some days ago my phone landed into the bootloop. It was a bit spooky with battery charging state, it was jumping for different states - 3%, 99%, 24% after every loop. So I bought a new battery and replaced the old one. Now the phone starts to LG logo (with starting sound), but after 10 seconds I can hear the power-off sound and the phone turns off. It seems to be a "normal" shutdown, not the "reset-bootloop": I hear power-off-sound, LG-power-off-logo and LED is blinking blue for about 10 seconds. After that it repeats infinitely. Also, if I turn the phone off it stays off, but if I put the charger in it, it's starts from itself again and again. Did not tried the hard reset until now. Any ideas, guys?
update: tried hard reset. it's starts until "optimizing apps", if it's done, i can see for a second the "first setup" screen and then it's immediately shutting down. same problem with the old, original battery.
edit: for the first time I saw message "high temperature" on the screen, before it was powered off. But the phone is not even warm...
critdmg said:
update: tried hard reset. it's starts until "optimizing apps", if it's done, i can see for a second the "first setup" screen and then it's immediately shutting down. same problem with the old, original battery.
edit: for the first time I saw message "high temperature" on the screen, before it was powered off. But the phone is not even warm...
Click to expand...
Click to collapse
What you describe is exactly that happened to the Mrs's GF2. One day it was fine and then all of a sudden the battery drained really quick. Now she can only get to the optimizing apps screen before it shuts down again. Ordered a new battery but that doesn't look to be the solution from your findings. :crying:
My phone has the exact same prblm n i was thinking of buying a battery but now that i have read your post i am doubting my battery purchase.
By the way have u found any fix also are u sure the battery is genuine n not some poor replica?
I had this problem when I had flux in my battery port causing a battery connection problem. Sometimes it said temperature too high and other times temperature too low. I was able to fix it by taking out the motherboard using 90% alcohol and a toothbrush to clean the battery port in the motherboard. Then I let it dry and problem was gone. Now I'm not saying this is exactly your problem but it just means that there's most likely bad connectivity to your battery. It could be your battery, the cable or the port.
Mrs received her new battery and it seemed genuine. Put it in and the phone is 100% dead. No power, no charging, no life.
Its not all bad news as she bought a Honor 6X which is a far better phone.
I tried all the hints I could find (except cleaning it with alcohol), but nothing help to start the phone again. Could be defective heat/temp sensor on the motherboard.
Battery was from "Polarcell" - that's a pretty good one manufacturer with satisfied user reviews on amazon (also had good personal experience with their batteries). Just for info: phone doesn't even start with original battery anymore - same problem.
I already switched to Honor 9 (excellent phone!), but will give another try and clean the battery attachment port with alcohol today. Will give you an update later.
If you plug the phone into the charger does it even show the battery charging symbol at all?
From what I've been reading the temp sensor is in the battery and sends the temp signal through the battery connector to the motherboard. So if you replace the battery it's like plugin in a new temp sensor. However if the connector is bad then that's the only thing that I can think off that would prevent the phone from starting. If the port is bad I don't know if it can be fixed or not.
Had no luck yesterday with port cleaning. Still the same error.
probaina said:
If you plug the phone into the charger does it even show the battery charging symbol at all?
Click to expand...
Click to collapse
Yes, but it's more complicated. If the phone is turned off and you plug USB in, it starts to boot from itself (without pressing the power button). In most cases it's going up to LG logo and powering off again. After powering off I can see battery charging symbol for about 5 seconds, after that it's changing to battery symbol with an thermometer. While the phone is in this bootloop, it's charging. From the point with this battery temperature symbol it stops charging. I read something on reddit about getting it up to 100% could solve the problem. So, I tried to plug it on and off about 50 times to get fully charged, got it up to 100%, but it's still rebooting. Can't get into recovery, but it's possible to get into the "hard reset"-menu, where I can wipe data. After this the phone boots normally (at the first sign), it's starting optimizing apps, I can see the "first-setup"-screen (that one with language chooser) for a half second and it turns off again. Same behavior with both batteries - new one and the original.
critdmg said:
Had no luck yesterday with port cleaning. Still the same error.
Yes, but it's more complicated. If the phone is turned off and you plug USB in, it starts to boot from itself (without pressing the power button). In most cases it's going up to LG logo and powering off again. After powering off I can see battery charging symbol for about 5 seconds, after that it's changing to battery symbol with an thermometer. While the phone is in this bootloop, it's charging. From the point with this battery temperature symbol it stops charging. I read something on reddit about getting it up to 100% could solve the problem. So, I tried to plug it on and off about 50 times to get fully charged, got it up to 100%, but it's still rebooting. Can't get into recovery, but it's possible to get into the "hard reset"-menu, where I can wipe data. After this the phone boots normally (at the first sign), it's starting optimizing apps, I can see the "first-setup"-screen (that one with language chooser) for a half second and it turns off again. Same behavior with both batteries - new one and the original.
Click to expand...
Click to collapse
That's a lot of combined symptoms. I have no idea what could be wrong with yours exactly. I would try to bake the motherboard with solder flux as a last resort. I had to do that with my G flex 2 twice to bring it back to life. I'm not sure if it would fix it in your case, but at this point you don't have much to lose.
probaina said:
That's a lot of combined symptoms. I have no idea what could be wrong with yours exactly. I would try to bake the motherboard with solder flux as a last resort. I had to do that with my G flex 2 twice to bring it back to life. I'm not sure if it would fix it in your case, but at this point you don't have much to lose.
Click to expand...
Click to collapse
I've already spent enough time with trying get it back to life. Loved this phone, but I had to send it to LG service every half year (3 times!) and got it every time with a new motherboard back. My brother had to send his one two times within a year because of several problems (no vibration, no sound through 3.5 jack...). Furthermore it was not possible to root or unlock the bootloader since Android 6 (what I've got with the last replaced mainboard, but what was not available through the software update!). So, just for me it was a very bad experience and for sure I'll not buy an LG phone for the next 10 years.
critdmg said:
I've already spent enough time with trying get it back to life. Loved this phone, but I had to send it to LG service every half year (3 times!) and got it every time with a new motherboard back. My brother had to send his one two times within a year because of several problems (no vibration, no sound through 3.5 jack...). Furthermore it was not possible to root or unlock the bootloader since Android 6 (what I've got with the last replaced mainboard, but what was not available through the software update!). So, just for me it was a very bad experience and for sure I'll not buy an LG phone for the next 10 years.
Click to expand...
Click to collapse
Is your phone still under warranty?
le grande magnetto said:
Is your phone still under warranty?
Click to expand...
Click to collapse
Yes. But I think is gone as I changed the battery... But good idea, I'll try to send it to LG service again. Who knows...
critdmg said:
Yes. But I think is gone as I changed the battery... But good idea, I'll try to send it to LG service again. Who knows...
Click to expand...
Click to collapse
Oh, that might void your warranty if you changed battery yourself. As I can see you're from Germany, EU, so you should ask for DAP (defective after purchase) act from service to get refund for your phone.
I've never heard about DAP. Do I give them my phone and get from them some money back or what is that about? Is it an manufacturer service or general refund possibility in EU?
critdmg said:
I've never heard about DAP. Do I give them my phone and get from them some money back or what is that about? Is it an manufacturer service or general refund possibility in EU?
Click to expand...
Click to collapse
I assume it should be available in EU. You should contact your seller or the service about if for detailed info. When you dave details about that please share them here.

Water damage...need to rescue pics

Hi Guy's,
Long story short, i managed to get water in the phone on holiday, needless to say the phone didn't take kindly to that!
I have tried the usual stuff i.e. left it to dry out in rice for a few days (although im not convinced that actually does anything).
It did boot up for a bit eventually but the battery was on 2%, so i plugged it in to charge which to my amazement it did. However it got to about 25% and then within about second jumped up to 95%. Obviously my first thought is the battery is damaged as when you plug in a charger, all the phone does is boot loop (samsung galaxy screen...off...repeat).
So i have replaced the battery....still the same. My next thought is the USB charge board as i thought it may not be able to let enough power through to hold charge on the battery, so replaced the USB board....still the same.
I cant get it to boot into safe or download mode as it just boot loops.
What can i try next? or is it now beyond saving?
Appreciate your replies and any advise.
Thanks
*BUMP*

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