[Q] Boot loop - cannot access recovery or download mode - Galaxy S 4 Q&A, Help & Troubleshooting

Hello, maybe this was posted a lot of times, I just wanna get a second opinion before getting this to the shop. My phone (GT-i9500) suddenly went on to boot loop. I cannot enter download mode nor recovery mode. When attempting to put on download mode, when it tells me to press volume up, nothing happens and it restarts again. I was partially able to boot to recovery but it only showed the TWRP splash page then it reboots again. Does this mean that I have a broken motherboard? Any suggestions?

golokipok said:
Hello, maybe this was posted a lot of times, I just wanna get a second opinion before getting this to the shop. My phone (GT-i9500) suddenly went on to boot loop. I cannot enter download mode nor recovery mode. When attempting to put on download mode, when it tells me to press volume up, nothing happens and it restarts again. I was partially able to boot to recovery but it only showed the TWRP splash page then it reboots again. Does this mean that I have a broken motherboard? Any suggestions?
Click to expand...
Click to collapse
Hi
Seems like a hardware problem ( most likely ) power button defective or battery

MAX 404 said:
Hi
Seems like a hardware problem ( most likely ) power button defective or battery
Click to expand...
Click to collapse
I'm currently letting it run to drain the battery. Would it help?

golokipok said:
I'm currently letting it run to drain the battery. Would it help?
Click to expand...
Click to collapse
Yes why not but if the battery is defective that will not fix it or help.
Did you try to go into recovery with the phone plug in to the charger? how it does behave?

MAX 404 said:
Yes why not but if the battery is defective that will not fix it or help.
Did you try to go into recovery with the phone plug in to the charger? how it does behave?
Click to expand...
Click to collapse
Still the same. Sometimes it would show the battery icon but only for a split second.

golokipok said:
Still the same. Sometimes it would show the battery icon but only for a split second.
Click to expand...
Click to collapse
Mate ,
It looks like is in constant reset.......seems like a defective power button, have it check should not be too expensive

golokipok said:
I'm currently letting it run to drain the battery. Would it help?
Click to expand...
Click to collapse
Draining your battery is always bad. It will damage your battery.

MAX 404 said:
Mate ,
It looks like is in constant reset.......seems like a defective power button, have it check should not be too expensive
Click to expand...
Click to collapse
That is exactly what is happening. Gonna get this checked tomorrow

golokipok said:
That is exactly what is happening. Gonna get this checked tomorrow
Click to expand...
Click to collapse
Let us know how it goes

The exact same thing happened to me a few weeks ago. It happened exactly a year after I got my GT-I9500. Around midnight one weekend the phone had quite a bit of charge and was working fine. As I unlocked the screen to check a WhatsApp message, the phone suddenly shut down and entered a bootloop with the same symptoms as yours. I couldn't enter my stock recovery and download mode would only come up for a few seconds and it would re-enter the bootloop. I tried numerous battery pulls and made it loop over quite a bit and then gave up after an hour and left the battery out. Throughout the day I occasionally tried my luck to no avail. Maybe after 48 hours or less - a day without trying my luck included - since the initial incident, I carried it to the shop and as the employee put the battery in the phone I was baffled. The phone booted normally, no issues and has worked perfectly fine since then. She said sometimes our phones need a little rest.
I've also read that our model has had some battery problems like swelling. I noticed no swelling by the way. So my advice, leave the battery out for a day or two. My phone was not rooted at the time and was running stock TouchWiz Android 4.4.2. Good luck!

MAX 404 said:
Let us know how it goes
Click to expand...
Click to collapse
So I finally got it repaired, the guy replaced something, about the size of 2x1 mm. He said it was for the power button. He charged me around $10 which I think is not bad.

golokipok said:
So I finally got it repaired, the guy replaced something, about the size of 2x1 mm. He said it was for the power button. He charged me around $10 which I think is not bad.
Click to expand...
Click to collapse
Hi Mate,
Great to know , glad it was something cheap and easy.

Related

While I was installing a new rom usb cable desconenected

Hello,
While I was installing a new ROM for Galaxy 9000I s with Odin the USB cable has been disconnected.
And the phone now doesn't start up or even turn on the screen black light.
But the screen shows a phone icon with PC icon with orange the angle between them with ! sign
- Tried to re-connect it to my PC but the Samsung Kies doesn't see it .
So, please tell me what to do to fix this problem..
Thanks for advance
I take it you don't have the 3 button mode, therefore you'll have to make the usb jig to allow you to re flash the phone, search for how to make it.
Sent from my GT-I9000 using XDA App
yeah, just go back into the download mode
then you can flash the ROM again via Odin
Since no one has mentioned this,
To enter download mode, you hold the Volume Down + Home + Power
I've had the same problem. Couldn't enter recovery and download mode at first. Pull the battery and wait a few minutes before plugging it back in. After that i was able to enter download mode
AllGamer said:
yeah, just go back into the download mode
then you can flash the ROM again via Odin
Click to expand...
Click to collapse
thank you i try to do this but no response the same problem
jersr said:
I've had the same problem. Couldn't enter recovery and download mode at first. Pull the battery and wait a few minutes before plugging it back in. After that i was able to enter download mode
Click to expand...
Click to collapse
thank you i do the same but could`t enter recovery , download mode same problem black screen
khziko77 said:
thank you i do the same but could`t enter recovery , download mode same problem black screen
Click to expand...
Click to collapse
i had unplugged it for a few hours. I already had my sgs packed to return it to the store.. Just before returning it i tried to enter download mode for the last time and it worked. Maybe you should try to unplug.your battry for a longr period of time
Cyberdyne systems said:
I take it you don't have the 3 button mode, therefore you'll have to make the usb jig to allow you to re flash the phone, search for how to make it.
Sent from my GT-I9000 using XDA App
Click to expand...
Click to collapse
thank you i will try and tell you the results
jersr said:
i had unplugged it for a few hours. I already had my sgs packed to return it to the store.. Just before returning it i tried to enter download mode for the last time and it worked. Maybe you should try to unplug.your battry for a longr period of time
Click to expand...
Click to collapse
thank you i will try
khziko77 said:
thank you i will try
Click to expand...
Click to collapse
Holding on to VolDn+Menu+Pwr for a very long time solved the issue for me. I had the same problem three times. The longest was maybe slightly more than 30 seconds. Even after the pic comes on keep holding the buttons.
ragin said:
Holding on to VolDn+Menu+Pwr for a very long time solved the issue for me. I had the same problem three times. The longest was maybe slightly more than 30 seconds. Even after the pic comes on keep holding the buttons.
Click to expand...
Click to collapse
Yes that works also.If you take the battery out,make sure you leave it out for more than half hour.In the meantime press some buttons on the phone to make sure to get rid of all the electricity stored in capacitors in there.When i had this problem i left the phone for 20 minutes and nothing happened.Then i read on a website that it might take more than half hour so i left it about 50 minutes,got recovery after all,factory reset all good.
ragin said:
Holding on to VolDn+Menu+Pwr for a very long time solved the issue for me. I had the same problem three times. The longest was maybe slightly more than 30 seconds. Even after the pic comes on keep holding the buttons.
Click to expand...
Click to collapse
i try nothing happened the phone is dead i send it to the service , thanks very much for your help
tackygr said:
Yes that works also.If you take the battery out,make sure you leave it out for more than half hour.In the meantime press some buttons on the phone to make sure to get rid of all the electricity stored in capacitors in there.When i had this problem i left the phone for 20 minutes and nothing happened.Then i read on a website that it might take more than half hour so i left it about 50 minutes,got recovery after all,factory reset all good.
Click to expand...
Click to collapse
thanks very much for your help, i try every thing posted in the forum , nothing happened , semis the the phone is dead , i send it to service tomorrow they well tell me if they can fix the problem or no
khziko77 said:
thanks very much for your help, i try every thing posted in the forum , nothing happened , semis the the phone is dead , i send it to service tomorrow they well tell me if they can fix the problem or no
Click to expand...
Click to collapse
Sorry for your trouble. This is definitely bad luck. There are the risky heat methods but I wouldn't recommend it.
Just claim that it fell out during Kies update or something, definitely don't tell them you were trying to flash on stuff with Odin
I always used to wonder what would happen if the USB disconnected / computer went into sleep mode or crashed when flashing a ROM. Thanks to the unfortunate OP, now I know! And I hope they fix his problem without making any fuss.
chambo622 said:
Sorry for your trouble. This is definitely bad luck. There are the risky heat methods but I wouldn't recommend it.
Just claim that it fell out during Kies update or something, definitely don't tell them you were trying to flash on stuff with Odin
Click to expand...
Click to collapse
thank you , they fixed the phone but they not believe me that the cable disconnected during kies update they tell me that the cable disconnected during odin update any way they fixed it and today they give it to me and payed !!
seltaeb said:
I always used to wonder what would happen if the USB disconnected / computer went into sleep mode or crashed when flashing a ROM. Thanks to the unfortunate OP, now I know! And I hope they fix his problem without making any fuss.
Click to expand...
Click to collapse
thank you they fixed the problem and payed for this

[Q] Galaxy S4 vibrates to death

Hey guys
I have the following problem with my Samsung Galaxy S4 I9505
Yesterday i was just playing around with my phone and suddenly it got a few laggs
It was stuck for about 10 seconds and then it was working again
I thougth this would be not that big deal and recovered back to stock rom coming from 4.3 AOSP ROM
A few minutes later my phone stuck againg and vibrated the whole time and wouldn't stop
It didn't react on any button pressing so i took the battery out
From this time on it seems like hard-bricked.
I can press the power button as long as i like to, but the phone doesn't even react
Then i plugged it to charge the phone.. Suddenly i was able to boot up the phone, but after 30 seconds
it started vibrating again and i had to take out the battery again
Now It's completely dead and I don't know what to do because i have still custom-recovery installed
and flash counter not on '0'
Maybe someone can help me out
It sounds to me you got a faulty battery. So my first step would be to try a different battery.
Lennyz1988 said:
It sounds to me you got a faulty battery. So my first step would be to try a different battery.
Click to expand...
Click to collapse
Thank you for the quick reply
I will try to get a different battery and let you know if it helped me out.
melzzi said:
Thank you for the quick reply
I will try to get a different battery and let you know if it helped me out.
Click to expand...
Click to collapse
Tell me please if you solved the problem, because my phone behaves the same.
melzzi said:
Thank you for the quick reply
I will try to get a different battery and let you know if it helped me out.
Click to expand...
Click to collapse
So was it the battery?

Won't start up help needed

Okay about two weeks ago I updated to 4.4.2 from 4.2.2(I think that's the one?) on my s4 and I've hated the update. I decided to root my phone using muniz method and it worked perfectly. I even changed to the nc1.
So, after using my phone without issues for two weeks roughly I noticed last night it started to randomly turn off while texting. It would just auto restart but it happened every 5-10 minutes. After an hour it started happening more often so I plugged my phone in. Now my phone will not even turn on. When I insert the battery the samsung start screen appears for about a second and then goes black. I have to pull out the battery for the phone to do ANYTHING. If the phone is plugged in while trying this and I insert the battery I literately get NOTHING. No samsung screen or anything.
Things I've tried.
Swapped the battery.
boot into odin
boot into safemode
plugged it in while trying to boot
Swapped the usb cord
taken out sim card
Some things to note is that I did not install any new app before this had happened. It was working the same for about two weeks with no issues.
When plugging in my phone to charge or anything I never get an led light at the top of my phone.
I seriously need some help with this. Any suggestions are appreciated!
Conquestfan said:
Okay about two weeks ago I updated to 4.4.2 from 4.2.2(I think that's the one?) on my s4 and I've hated the update. I decided to root my phone using muniz method and it worked perfectly. I even changed to the nc1.
So, after using my phone without issues for two weeks roughly I noticed last night it started to randomly turn off while texting. It would just auto restart but it happened every 5-10 minutes. After an hour it started happening more often so I plugged my phone in. Now my phone will not even turn on. When I insert the battery the samsung start screen appears for about a second and then goes black. I have to pull out the battery for the phone to do ANYTHING. If the phone is plugged in while trying this and I insert the battery I literately get NOTHING. No samsung screen or anything.
Things I've tried.
Swapped the battery.
boot into odin
boot into safemode
plugged it in while trying to boot
Swapped the usb cord
taken out sim card
Some things to note is that I did not install any new app before this had happened. It was working the same for about two weeks with no issues.
When plugging in my phone to charge or anything I never get an led light at the top of my phone.
I seriously need some help with this. Any suggestions are appreciated!
Click to expand...
Click to collapse
Are you plugging it in to the stock wall charger? Your best bet is to get it to boot into download mode long enough to reflash NB1.
Sent from my SGH-I337 running BlackBox 3.0
DeadlySin9 said:
Are you plugging it in to the stock wall charger? Your best bet is to get it to boot into download mode long enough to reflash NB1.
Sent from my SGH-I337 running BlackBox 3.0
Click to expand...
Click to collapse
Yeah using stock wall charger from a wall, computer, and even a different charger.
Is download mode the one where you hold vol down + power + home?
If so it brings up the screen that asks you to press the volume up but it dies before it can ever make it to the downloading screen...
Conquestfan said:
Yeah using stock wall charger from a wall, computer, and even a different charger.
Is download mode the one where you hold vol down + power + home?
If so it brings up the screen that asks you to press the volume up but it dies before it can ever make it to the downloading screen...
Click to expand...
Click to collapse
Experiment and see if you can get it to stay there. If not, you may need to try a best buy if you can.
Sent from my SGH-I337 running BlackBox 3.0
Thanks, i'll keep playing with it but so far it just shuts off instantly in about a second or two.
If I bring it to best buy and they take it or anywhere else will I be shunned for rooting my phone?
Conquestfan said:
Thanks, i'll keep playing with it but so far it just shuts off instantly in about a second or two.
If I bring it to best buy and they take it or anywhere else will I be shunned for rooting my phone?
Click to expand...
Click to collapse
If it won't start they won't know it's rooted. They'll try to flash the firmware which will remove root if they're successful, so again they won't know
Sent from my Nexus 5 using XDA Free mobile app
That would be fantastic! If I purshased it at walmart would it matter if I take it to best buy for example? I'm sure a corporate AT&T store could do the same correct?
Conquestfan said:
That would be fantastic! If I purshased it at walmart would it matter if I take it to best buy for example? I'm sure a corporate AT&T store could do the same correct?
Click to expand...
Click to collapse
Go to a best buy that has a Samsung experience. They can re-flash it there
Sent from my Nexus 5 using XDA Free mobile app
jd1639 said:
Go to a best buy that has a Samsung experience. They can re-flash it there
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
put it in downloadvolume down power and home button use odin to load factory file hope this helps
ron31 said:
put it in downloadvolume down power and home button use odin to load factory file hope this helps
Click to expand...
Click to collapse
I've tried this but it instantly shuts off as soon as the volume up screen to continue comes up. It won't boot in any form at all
Conquestfan said:
I've tried this but it instantly shuts off as soon as the volume up screen to continue comes up. It won't boot in any form at all
Click to expand...
Click to collapse
did you try factory reset
ron31 said:
did you try factory reset
Click to expand...
Click to collapse
I couldn't do factory reset because the phone wouldn't stay on long enough to do ANYTHING.
So as an update to this...
I was on my way to the closest store with samsung experience which is about an hour away from me and when I almost get there my phone RANDOMLY turns on...
I couldn't be more pissed and happy at the same time. So, obviously I try messing with it a bit and it shuts off again. This time I can get it to turn on after about 15 tries. Long enough for me to do a factory reset!
It lasted a good 30 minutes to an hour and it shut off again.
Hardware issue or is anyone else having this issue with 4.4.2 nc1?
No I haven't on mine you all have to bring it in for repair
ron31 said:
No I haven't on mine you all have to bring it in for repair
Click to expand...
Click to collapse
Okay so I brought it by best buy and the guys couldn't flash it or do anything to it because it wouldn't turn on at all. They tried several batteries etc.
So, I decided to try the phone doctors and the guy thought it could be a malfunction in the power button because the phone tries to boot up any time you put the battery in. You don't have to hit any buttons and you can't insert the battery without it trying to power on.
I'll cross my fingers that's the problem and they phone doctor guy told me he has never seen this issue with an s4 but it was really common in s3's.
I go back in two hours to see if they have fixed it!
Conquestfan said:
Okay so I brought it by best buy and the guys couldn't flash it or do anything to it because it wouldn't turn on at all. They tried several batteries etc.
So, I decided to try the phone doctors and the guy thought it could be a malfunction in the power button because the phone tries to boot up any time you put the battery in. You don't have to hit any buttons and you can't insert the battery without it trying to power on.
I'll cross my fingers that's the problem and they phone doctor guy told me he has never seen this issue with an s4 but it was really common in s3's.
I go back in two hours to see if they have fixed it!
Click to expand...
Click to collapse
The s2 had this problem too and one way to confirm it was to pull the battery and put it back in. If it booted right away it was the power button. So it sounds like you're on to something.
Sent from my Nexus 5 using XDA Free mobile app
jd1639 said:
The s2 had this problem too and one way to confirm it was to pull the battery and put it back in. If it booted right away it was the power button. So it sounds like you're on to something.
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
Well, I was really hoping for the best and I thought they really had my problem figured out. When I got back to the store they told me they basically checked and rewired everything they could and it was still doing this. They told me they can't fix it and didn't charge me anything.
It looks like I have a lemon...
Conquestfan said:
Well, I was really hoping for the best and I thought they really had my problem figured out. When I got back to the store they told me they basically checked and rewired everything they could and it was still doing this. They told me they can't fix it and didn't charge me anything.
It looks like I have a lemon...
Click to expand...
Click to collapse
send it back to samsung
ron31 said:
send it back to samsung
Click to expand...
Click to collapse
I would but they don't accept anything past a year. If it ever boots up again I'm going to install a different rom and just cross fingers
I've been informed my phone might still be under factory warranty. Just out of speculation, if you root your phone and it ends up malfunctioning what would they do if you send it in for warranty? I'm not sure if my issue is hardware or software related at all.

[Q] GT-i9500 stuck on boot loop. goes into download mode but reboots. no recoveryu

Hey,
I've searched this forum on others but haven't found anyone who've had my problem.
I have an original GT-i9500 purchased a little over a year ago around the launch. The phone was rooted and had a custom ROM installed. (Crash ROM). I have installed the ROM about 3 months ago, and haven't fiddled with it recently. I've had CWM installed.
Yesterday I've noticed that the device went into boot loop all of the sudden. I haven't done anything unusual when it started boot looping.
I can see the Samsung logo for a couple of seconds, but then the screen turns off and the logo comes again. Loop. Trying to enter recovery mod (CWM) doesn't work. Phone keeps looping. Trying to access download mode does work partially. I can get to the screen where it says "Warning!!" and asks to click "volume up" to continue. But stays on that screen for a few seconds and then boots to the logo again. Happens whether I click "volume up" or don't.
I have no idea what caused this. But shortly before it started I did see that an app that uses wanam was updated (bubble UPNP) and there was some notification about it from wanam.
any help would be greatly appreciated. Thanks!
You have eaither a malfuntioning power button, a faulty battery or some other hardware failure.
This is not a software problem.
Lennyz1988 said:
You have eaither a malfuntioning power button, a faulty battery or some other hardware failure.
This is not a software problem.
Click to expand...
Click to collapse
I have exactly the same issue, tried plug in power supply, shows an empty battery icon with circle in the center, stays for a few seconds and screen goes blank. It repeat this process if i keep it plugged to the power supply.
Just an update in case anyone ever finds this thread and is experiencing the same symptoms. It was indeed a faulty power button. Having it replaced has solved the problem.
It was apparently stuck on "pressed" mode (not physically, i would've noticed that). Another indication for that was that putting in a battery would automatically turn the phone on.
i know it was before a few months back,
but anyway... i got the same issue too, but my phone was on stock rom without root.
this is random annoying issue...
as i understand from you guys, i will need to take the phone to a lab to fix this, bummer!
thank you any way...
same problem here..
just got this issue today.. cant go in download , cant go in recovery, wont boot...
i was using it just fine when it just turned off...
ShoukaT1 said:
same problem here..
just got this issue today.. cant go in download , cant go in recovery, wont boot...
i was using it just fine when it just turned off...
Click to expand...
Click to collapse
Whiplash83 said:
i know it was before a few months back,
but anyway... i got the same issue too, but my phone was on stock rom without root.
this is random annoying issue...
as i understand from you guys, i will need to take the phone to a lab to fix this, bummer!
thank you any way...
Click to expand...
Click to collapse
Faulty power buttons, faulty power buttons everywhere.
I fail to understand how samsung does this. This has been like the 500th stuck power button issue here.
Looks like we have to add it in the guide.
Sent from my GT-I9500 using XDA Free mobile app
DeepankarS said:
Faulty power buttons, faulty power buttons everywhere.
I fail to understand how samsung does this. This has been like the 500th stuck power button issue here.
Looks like we have to add it in the guide.
Sent from my GT-I9500 using XDA Free mobile app
Click to expand...
Click to collapse
I've got my phone back from the repair service and it was indeed a failure of the power button electric circuit,
(i don't know exactly how to translate it correctly to English, but they say something about secondary electric circuit board)
anyway, it been replaced and the phone came back to live again
I got it fixed today..
I think it should be added as a major cause for bootloop, if you cant open recovery or go to download mode
at first i thought my phone was bricked but then after some hard searching i found out this thread and proceeded accordingly..
I opened up at the phone and checked the power button myself with my instruments.. then i took it to repair center and told them to replace the power button... simple as that.. cost me 9$
grobrnik said:
Just an update in case anyone ever finds this thread and is experiencing the same symptoms. It was indeed a faulty power button. Having it replaced has solved the problem.
It was apparently stuck on "pressed" mode (not physically, i would've noticed that). Another indication for that was that putting in a battery would automatically turn the phone on.
Click to expand...
Click to collapse
Thanks for the clarification! My S4 has been doing that for a while now- think I'll take it to the repair center and get it checked out.
I have same problem

My A1 "died" and i dont know why

Hello folks.
So I left my A1 charging at night, the alarm woke me up as usual in the morning. Just before leaving home I took it to check the time and then it was already "dead".
PS: The phone was never been knocked over, wet etc...
Symptoms:
- Black screen, as if was turned off / without battery;
- Buttons do not work;
- Doesn't react to any connections.
- Doesn't enters fastboot mod;
- It's not recognized by the computer;
- Also not charging.
Any help is welcome, best regards.
happened to me the other day on AEX, after flashing a kernel, turns out it does switch on but I had to press the power button for quite some time and then it switched off again upon minutes from switching on. I entered the recovery with the same method and installed another kernel, it works fine now
SALVO9 said:
happened to me the other day on AEX, after flashing a kernel, turns out it does switch on but I had to press the power button for quite some time and then it switched off again upon minutes from switching on. I entered the recovery with the same method and installed another kernel, it works fine now
Click to expand...
Click to collapse
So, let me get this right, in ur case the phone was still working, u just had tu push the butoms for a little more time?
I tryed it here, power/Power + Vol Down/ Power + Vol Up/ Power + both vol down and up, all of them for more than a minute, nothing happened, not even a single vibration, sound or light. =[
KaioSilvaA1 said:
So, let me get this right, in ur case the phone was still working, u just had tu push the butoms for a little more time?
I tryed it here, power/Power + Vol Down/ Power + Vol Up/ Power + both vol down and up, all of them for more than a minute, nothing happened, not even a single vibration, sound or light. =[
Click to expand...
Click to collapse
Hapenned to me on a moto g 4g
Phone's nand or motherboard was dead...
Use your warranty you look like to have a faulty device especially if you were on stock
Dead-neM said:
Hapenned to me on a moto g 4g
Phone's nand or motherboard was dead...
Use your warranty you look like to have a faulty device especially if you were on stock
Click to expand...
Click to collapse
Damn =[
It's a possibility, but it's strange the phone has like 4 months of use, never had any problem.
I'm willing to try some stuff first, even open the phone to unplug and replug the battery on the mb.
Otherwise at my country (Brazil) Xiaomi has no warranty
I had this problem and it was just due to an loose flex cable. Try opening and reattaching them :good:
JakobSWE said:
I had this problem and it was just due to an loose flex cable. Try opening and reattaching them :good:
Click to expand...
Click to collapse
Oh boy, i hope it's "just" something like that, i'm going after the tools to open it, thk!
KaioSilvaA1 said:
Oh boy, i hope it's "just" something like that, i'm going after the tools to open it, thk!
Click to expand...
Click to collapse
No problem, just two screws att the bortom and use the nails around the edge. Be careful not to break the plastic frame around the screen, it can be quite weak.
JakobSWE said:
No problem, just two screws att the bortom and use the nails around the edge. Be careful not to break the plastic frame around the screen, it can be quite weak.
Click to expand...
Click to collapse
So yesterday a oppened the phone, disatached the flats and atatched then again, unfortunatelly didn't help =[.
We also made some tests and seems like it could be an issue with the battery seems like it's not charging nor receiving any charge.
Seems like the "regulator" of the battery or something like that is not working as it should.
I'm gonna try to test this a in a more acurate way, at least to be sure that it's the battery.
Probably on EDL mode. Try reflashing stock with MiFlash. Helped me once.
luxerinolt said:
Probably on EDL mode. Try reflashing stock with MiFlash. Helped me once.
Click to expand...
Click to collapse
I'm making some research about this "EDL Mode". Hope it works, gonna try this later, thk!
KaioSilvaA1 said:
I'm making some research about this "EDL Mode". Hope it works, gonna try this later, thk!
Click to expand...
Click to collapse
You can try make edl usb cable first, if not work then search mi a1 test point, you'll need to jump 2 point on motherboard with wire/pin.
KaioSilvaA1 said:
So yesterday a oppened the phone, disatached the flats and atatched then again, unfortunatelly didn't help =[.
We also made some tests and seems like it could be an issue with the battery seems like it's not charging nor receiving any charge.
Seems like the "regulator" of the battery or something like that is not working as it should.
I'm gonna try to test this a in a more acurate way, at least to be sure that it's the battery.
Click to expand...
Click to collapse
The phone will power on without any battery attached at all, so remove it and see if you get life. If not, then it's not the battery.
http://en.miui.com/thread-1680467-1-1.html
GVN.Gallus said:
You can try make edl usb cable first, if not work then search mi a1 test point, you'll need to jump 2 point on motherboard with wire/pin.
Click to expand...
Click to collapse
So yesterday i tryed to make the phone enter at the EDL mode, by jumping the 2 points on the motherboard. Unfortunately the computer didn't recognized the phone at all, i'v tryed several times.
I'm starting to think that something related to the the motherboard just died.
I'll lend it to a tecnical that can fix it or at least confirm the death of the phone to me.
CosmicDan said:
The phone will power on without any battery attached at all, so remove it and see if you get life. If not, then it's not the battery.
Click to expand...
Click to collapse
Just tested it yesterday, without success.
Even with the battery disconnected and ubs at computer or charger, the phone still not giving any signal of life.
Does it mean that it must be a serious problem?
KaioSilvaA1 said:
Just tested it yesterday, without success.
Even with the battery disconnected and ubs at computer or charger, the phone still not giving any signal of life.
Does it mean that it must be a serious problem?
Click to expand...
Click to collapse
Hi.
I have got the same issue with my A1 as you. Totally dead after charging. Doesent seem to respond in any way.
Have tried out everything found sugested online so far.
Please give an update if you get it back to life somehow.
Thanks
Knievel
KnieveI said:
Hi.
I have got the same issue with my A1 as you. Totally dead after charging. Doesent seem to respond in any way.
Have tried out everything found sugested online so far.
Please give an update if you get it back to life somehow.
Thanks
Knievel
Click to expand...
Click to collapse
Hello mate.
I'm sry for you phone, at my case i'm starting to believe that the mb/cpu died.
I was thinking that it could be the board at the bottom (ubs, mic jac) but i have been told that it's really rare this to happen.
Yesterday i tested the battery and it's fully charged, (so the battery isn't the problem)
I'm weeling to take it at the end of the week into a tec who can test all the hardware stuff in order to know what actually have failed.
Have u also tryed to engage ur phone at EDL Mode?
KaioSilvaA1 said:
Hello mate.
I'm sry for you phone, at my case i'm starting to believe that the mb/cpu died.
I was thinking that it could be the board at the bottom (ubs, mic jac) but i have been told that it's really rare this to happen.
Yesterday i tested the battery and it's fully charged, (so the battery isn't the problem)
I'm weeling to take it at the end of the week into a tec who can test all the hardware stuff in order to know what actually have failed.
Have u also tryed to engage ur phone at EDL Mode?
Click to expand...
Click to collapse
Hi.
Yep also tried shorting the test points, it does not respond to anything. Just totally dead.
Its sad cause i really loved that phone. I might buy a used cheap one with a broken screen and use its main board or other parts.
Thanks Knievel

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