Develop Bugs

[Q] s4 shuts down seconds after powering on

I left my perfectly fine i-9505 s4 to charge overnight to find out it did not respond to anything, holding down the power button or power+voldown+home did not result in any sound image or vibration.
Removing the battery and re-inserting it makes the s4 respond to the power button, but the phone shuts down seconds after powering on. This also happens when I try to enter recovery, download mode or insert the charger.
It even happens when I use my usb JIG, the downloading screen appears for a second, after that the screen blacks out again. Tried removing the SD / SIM cards.
The only way I can connect it to Odin for a second (at least as far as I know), is by:
1) removing battery,
2) inserting Jtag
3) inserting battery
4) remove JIG (very quickly)
5) insert USB to PC (very quickly)
Yay! Windows makes the "USB connection" sound, before making the "USB connection lost" sound a second later and the screen blacking out..
What could cause this? Is it my battery? Connector? Software (jamals 4.4v6, faux123, mj5 modem)?

Have you tried directly plugging it into the charger or your computer without the battery?
Sent from my SGH-M919 using XDA Premium 4 mobile app

Thanks for your reply.
Yes, I did try that, the screen does not turn on if I plug my charger / USB cable from PC into my S4 when the battery is removed.
What could cause shutdowns after 2 seconds from booting? I hope this is fixable!

It sounds like there is a physical defect in the device. If it was software related (this can be caused by a borked up ROM or Kernel) you wouldn't see the same behaivor in Download mode and that doesnt' use either the ROM or Kernel.
You could have something physically broken inside the unit that is causing an electrical short once something common to the system and download mode is activated, which would cause the reboot. That could be the USB port that both the system and Download mode will constantly poll the USB port looking for a connection, but only after a second or two. It won't look at the USB port immediately when teh GALAXY S4 splash screen pops up so that's why you get a second of it working. There are 100 other things internally that it could be too.
I'd say make sure the charing port is cleared of any debris. If that doesn't work, I'd say it's broken and needs to be repaired. Without knowing exactly what is causing the issue I wouldn't suggest trying to fix it because you'll cancel the warrenty by doign so and might not find the problem. It could even be a faulty memory chip on teh circuit board that wouldn't look broken to the eye.
Since you can use Download mode for more than a second, you obviously can't try to restore to stock, which is the prefered go to method to fix things like this.

joepsz said:
Thanks for your reply.
Yes, I did try that, the screen does not turn on if I plug my charger / USB cable from PC into my S4 when the battery is removed.
What could cause shutdowns after 2 seconds from booting? I hope this is fixable!
Click to expand...
Click to collapse
Sounds very much like a hardware malfunction. Without having the device on hand, I can be of no help, unfortunately. If it's under warranty, I suggest you try to get a replacement.

Thanks for the replies. You have convinced me that this is a hardware issue. I have no clue as to what might have caused this defect.
I will soon try a different battery, and if that fails I will contact Samsung.
Unfortunately though, my firmware is custom and this may void warranty, which would suck since the cause of the issue is probably not related to the software.

A day later, the problem appears to have solved itself. I'll keep you updated.

My S4 was working for some time, but the problem returned, the phone shuts down seconds after booting (normal boot / recovery / download mode / USB-Jig induced download mode..)
HOWEVER:
Sometimes, when I connect my S4 to a charger, it turns itself on (first displaying the charging icon) and then starts booting, showing the Google boot animation (since I'm running GPE). This animation keeps going for minutes, and then the phone shuts down again (black screen, does not respond to anything.

joepsz said:
My S4 was working for some time, but the problem returned, the phone shuts down seconds after booting (normal boot / recovery / download mode / USB-Jig induced download mode..)
HOWEVER:
Sometimes, when I connect my S4 to a charger, it turns itself on (first displaying the charging icon) and then starts booting, showing the Google boot animation (since I'm running GPE). This animation keeps going for minutes, and then the phone shuts down again (black screen, does not respond to anything.
Click to expand...
Click to collapse
You're just delaying the (possibly inevitable) death of your phone. Use your warranty while you still have it. At least I would in your situation.

joepsz said:
A day later, the problem appears to have solved itself. I'll keep you updated.
Click to expand...
Click to collapse
The symptoms that you have described are those of a bad power button. This happens quite often.

tronac said:
The symptoms that you have described are those of a bad power button. This happens quite often.
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Click to collapse
I think you are right! It would explain the inconsistency and the fact that my phone sometimes turned on by itself.
Thanks!

tronac said:
The symptoms that you have described are those of a bad power button. This happens quite often.
Click to expand...
Click to collapse
I had to send my S4 back to Samsung THREE TIMES before they realised it was a hardware error. The first two times, all I got was a factory reset.. Which of course, didn't help.
I'm pretty sure you were right, it was a bad power button.

"Recovery booting". Can access download mode however.

Hello everyone. My brother has the SM-T320. It doesn't power on at all. But if I plug the tablet directly into an outlet or laptop, it turns on but immediately goes to "recovery booting" and looping and not actually turning on. I can press the Power+Volume Down buttons to go to Download mode. I have three laptops at my disposal. I installed the Samsung USB drivers on two, and just Samsung Kies on the other. I have also tried different Odin versions (3.07 and 3.09) and it still won't connect. I also bought a different battery, and even if I leave it charging (aka bootlooping), if I disconnect it, it turns off. Essentially, I think the firmware is messed up and simply doesn't recognize the battery. So that's why I wanted to flash a stock recovery. Any ideas what I can try? Thanks a lot for the help!

I should also mention that I tested battery connection (tablet plugged into an outlet with the battery removed) with a volt meter and I gut 4.45V, which I think is fine?

mark1995n said:
Hello everyone. My brother has the SM-T320. It doesn't power on at all. But if I plug the tablet directly into an outlet or laptop, it turns on but immediately goes to "recovery booting" and looping and not actually turning on. I can press the Power+Volume Down buttons to go to Download mode. I have three laptops at my disposal. I installed the Samsung USB drivers on two, and just Samsung Kies on the other. I have also tried different Odin versions (3.07 and 3.09) and it still won't connect. I also bought a different battery, and even if I leave it charging (aka bootlooping), if I disconnect it, it turns off. Essentially, I think the firmware is messed up and simply doesn't recognize the battery. So that's why I wanted to flash a stock recovery. Any ideas what I can try? Thanks a lot for the help!
Click to expand...
Click to collapse
OK so it is in download mode when you connect it to Odin?

Hey everyone, I got the problem partly fixed. I was able to reset it to original firmware by using the Samsung kies3 software. It somehow was able to recognize the device even though Odin couldn't. However, turns out, the reason tablet would turn on only when plugged in is because the battery wasn't connected completely. The battery connector on the motherboard itself is separating and so the pins are not touching the board completely. My ghetto temporary fixed was to cut and stick part of a bobby pin over it to clamp it in place. However, this will probably damage the connector/board in the long term. I'm not very good with soldering parts/pins that are this small, and nor do I have special equipment besides solder and soldering iron, so I'm trying to figure another clever way of holding it strongly in place. If anyone has any idea how to go about that, it would be appreciated.

My S4 mini won't turn on, doesn't vibrate, can't launch recovery or download

So a few hours back I picked up my phone, but it didn't respond. A few minutes earlier it worked fine, and now it just seems dead. I cannot launch recovery mode or download mode. The phone does not respond to me holding the power button or something, there is no vibration and no visuals on the screen. Removing the battery and plugging it back in does not work. Leaving it charge for a while does not work. (assuming that it even charges). When I plug in the phone into my PC via cable I hear a sound that something is connected, but it doesn't show up on 'My PC'.
What do I do?

The same happened to my sister! Nothing worked, probably the motherboard died. Used it at leaset for spare parts for my other s4 mini. Especially the LED panel is so precious, it's cost is like half the price of the phone.

TranceMusic2014 said:
The same happened to my sister! Nothing worked, probably the motherboard died. Used it at leaset for spare parts for my other s4 mini. Especially the LED panel is so precious, it's cost is like half the price of the phone.
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Click to collapse
Can the motherboard really die like that? One moment its fine, the next second dead?

jeekay said:
Can the motherboard really die like that? One moment its fine, the next second dead?
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Click to collapse
Yeah, likely. I ain't a geek or sth, but the same happened to my sister. Was looking for a solution for hours, but it's probably some random variation in voltage or sth that burns some part on it and then it dies. You don't have to crack the phone etc., it can happen randomly.

TranceMusic2014 said:
Yeah, likely. I ain't a geek or sth, but the same happened to my sister. Was looking for a solution for hours, but it's probably some random variation in voltage or sth that burns some part on it and then it dies. You don't have to crack the phone etc., it can happen randomly.
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Click to collapse
Wouldn't a broken motherboard make my PC unable to make a sound when it's connected? Also, when it's connected to the PC and i hold the power button for ~15 seconds, it disconnects. This would mean that the power button still functions

jeekay said:
Wouldn't a broken motherboard make my PC unable to make a sound when it's connected? Also, when it's connected to the PC and i hold the power button for ~15 seconds, it disconnects. This would mean that the power button still functions
Click to expand...
Click to collapse
Then it's deffinitely NOT completely broken. A dead MB would definitely NOT identify the phone in the PC.
Did u try entering Download mode & connecting to ODIN, trying to load FW again?

TranceMusic2014 said:
Then it's deffinitely NOT completely broken. A dead MB would definitely NOT identify the phone in the PC.
Did u try entering Download mode & connecting to ODIN, trying to load FW again?
Click to expand...
Click to collapse
I cannot enter any mode. Pressing volume up or down + home + power doesnt do anything. How do I connect to Odin, and whats an FW?

jeekay said:
I cannot enter any mode. Pressing volume up or down + home + power doesnt do anything. How do I connect to Odin, and whats an FW?
Click to expand...
Click to collapse
FW = Firm Ware i.e. software that is flashed onto chips. aka ROM.
But if you can't go to download mode you can't flash stock ROM again. So Yes sounds likely some component has failed or maybe just a bad solder joint, a short, etc) which is not allowing power up,( either way you need someone to fix hardware & install stock using jtag for you, probably not worth the cost on our old phones in most countries. but if you can buy a used phone with eg a damaged screen or other problem you may be able to get 1 working phone by swapping parts eg power board ...

The same happened to me last august... I posted here, but no one ever helped me https://forum.xda-developers.com/galaxy-s4-mini/help/weird-bricked-gt-i9195-stuck-black-t3619023 i just think that it's some kind of programmed obsolescence, my phone was 4 years old and it just shut off and never light up again after closing a simple call... F*** Sammy and their timers!

Just happened my nephews phone. Was intermittently responding to buttons and now not at all. PC detects it and shows as "HS-USB Diagnostics 9008" in Device Manager.
There are a couple of guides online for using applications on the PC to interact with the phone using this device ID, but it seems to be mainly focused on LG phones. Anyone know if there's anything that can be done for Samsung devices?

The exact thing happend to my S4, it suddenly turnd of while im using it, did anyone find a solution?

Model G3223 - Charging Issues and Black Screen/Flashing White Light at Boot

Hey everyone,
So, I got a new Xperia XA1 Ultra (G3223) through a trade running stock Android 7.0. Checked everything and initially it looked fine.
Over the last few days, things have been acting weird. Every time I start the device, it gives me a blank (black) screen with a blinking white notification light - it doesn't even show me the boot screen at times when it boots. Just yesterday, I got it to boot by pressing VOLUME UP + POWER after being in that state - but, that's not normal. Does anyone know why in the world my phone does that?
Furthermore, when using the Sony charger that came with the device, it takes over 6 hours to charge and doesn't even show the charging sign while charging. Could this be an Android 7.0 bug or is something seriously wrong with my phone? Only one time since I got it, did I get it to charge normal with the charging sign and everything; it actually charged quite rapidly at that point.
Any help would be appreciated with this, guys, because I'm at a loss. I do want to mention that the device doesn't seem to be recognized by the computer, so I'm not even sure that the cable is original.

vince.lupe said:
Furthermore, when using the Sony charger that came with the device, it takes over 6 hours to charge and doesn't even show the charging sign while charging. Could this be an Android 7.0 bug or is something seriously wrong with my phone? Only one time since I got it, did I get it to charge normal with the charging sign and everything; it actually charged quite rapidly at that point.
Any help would be appreciated with this, guys, because I'm at a loss. I do want to mention that the device doesn't seem to be recognized by the computer, so I'm not even sure that the cable is original.
Click to expand...
Click to collapse
Try a new cable and/or charger. (I found I had a bad charger once)
Since you had computer issues, I'd start with the cable. Also check the charging port on the phone for debris/damage.

avg2424 said:
Try a new cable and/or charger./QUOTE]
Okay, I'll do that - but, do you have any idea regarding the blank screen issue, my friend?
Click to expand...
Click to collapse

vince.lupe said:
Okay, I'll do that - but, do you have any idea regarding the blank screen issue, my friend?
Click to expand...
Click to collapse
How is your phone turning on? Power button or inserting the USB cable?
Only thing I can think of is perhaps a stuck volume key placing the phone into recovery or flash mode.
Try turning on the phone with no USB cable attached. Before you turn it on, press the volume keys a few times to make sure they aren't stuck and then power on.

avg2424 said:
How is your phone turning on? Power button or inserting the USB cable?
Only thing I can think of is perhaps a stuck volume key placing the phone into recovery or flash mode.
Try turning on the phone with no USB cable attached. Before you turn it on, press the volume keys a few times to make sure they aren't stuck and then power on.
Click to expand...
Click to collapse
The thing is that it's weird.... For one, sometimes when I use the touch reset/turn off button, it takes at least two minutes to reset, or it doesn't even reset. Then, when I turn the phone on while it's off, the phone sometimes enters into this weird state with the flashing white notification light. I never power on the phone via USB cable, so I don't know, really. Yesterday, I shut the phone off to test it, plugged the phone in to charge it, it wouldn't charge while off, but then hit power on, and then it wouldn't turn on, so I used VOLUME UP + POWER, and then it turned on just fine.

Hi
Happened also to be with my older Xperia J.
Backup your phone (cause you'll lose your data), connect it to a PC (or Mac) and install Xperia companion, then select "repair phone" or something similar (I know the written in Italian version ).
Wait and it will be all fine.
Regards
Faby:highfive:
vince.lupe said:
The thing is that it's weird.... For one, sometimes when I use the touch reset/turn off button, it takes at least two minutes to reset, or it doesn't even reset. Then, when I turn the phone on while it's off, the phone sometimes enters into this weird state with the flashing white notification light. I never power on the phone via USB cable, so I don't know, really. Yesterday, I shut the phone off to test it, plugged the phone in to charge it, it wouldn't charge while off, but then hit power on, and then it wouldn't turn on, so I used VOLUME UP + POWER, and then it turned on just fine.
Click to expand...
Click to collapse

faby GT said:
Hi
Happened also to be with my older Xperia J.
Backup your phone (cause you'll lose your data), connect it to a PC (or Mac) and install Xperia companion, then select "repair phone" or something similar (I know the written in Italian version ).
Wait and it will be all fine.
Regards
Faby:highfive:
Click to expand...
Click to collapse
Okay, let me see if I can get it to connect to the computer, and then I'll let you know if I have progress.

I have the same slow charging problem on my xperia xa1 ultra. you could solve it?

Is my Nexus 7 bricked?

I have the Nexus 7 2013 WiFi flo tablet with LineageOS installed.
I’ve not used it in over 12 months but today I was using it.... it turned off, loaded up the Google screen with a locked padlock and won’t go further.
In recovery mode it has TWRP, but the screen and volume buttons are unresponsive, the power button works but I can’t swipe to unlock or click anything.
I’ve plugged it into my MacBook and it’s not detected, I plugged it into a windows laptop and it says the device is unrecognised or malfunctioned.
I installed the android SDK on both and the USB driver on the windows machine.
Also changed between 5 different cables and different ports.
I can’t reflash and I can’t touch the recovery.
What can I do?
Thanks

Retrospock said:
...
Also changed between 5 different cables and different ports.
I can’t reflash and I can’t touch the recovery.
What can I do?
Thanks
Click to expand...
Click to collapse
All these problems, including no USB, are caused by poor connection between the PCBs.
Try this simple trick https://forum.xda-developers.com/showpost.php?p=66952073&postcount=3
If it does not help, you'll have to re-seat the wide, silver cable on both ends. Disconnect the battery first of course and watch https://www.youtube.com/watch?v=C9PwK9eGrCY
:good:

k23m said:
All these problems, including no USB, are caused by poor connection between the PCBs.
Try this simple trick https://forum.xda-developers.com/showpost.php?p=66952073&postcount=3
If it does not help, you'll have to re-seat the wide, silver cable on both ends. Disconnect the battery first of course and watch https://www.youtube.com/watch?v=C9PwK9eGrCY
:good:
Click to expand...
Click to collapse
I got frustrated earlier with the google screen and I squeezed, the Lineage loading bar came on!
I came here to report this finding and saw your reply... I've tried reseating that cable so I'll wait and see hownwe get on. Thank you very much for the help