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Galaxy S6 won’t install Android update via Smart Switch, shorted motherboard, won’t turn on, other issues

Today’s #GalaxyS6 troubleshooting article answers some questions regarding the device’s inability to update and power back on. We also provide answers on what to do regarding an S6 that has stopped working properly due to overheating and random restart issue. We hope that all our suggestions here will be of help.

If you are looking for solutions to your own #Android issue, you can contact us by using the link provided at the bottom of this page.

When describing your issue, please be as detailed as possible so we can easily pinpoint a relevant solution. If you can, kindly include the exact error messages you are getting to give us an idea where to start. If you have already tried some troubleshooting steps before emailing us, make sure to mention them so we can skip them in our answers.

Problem 1: Galaxy S6 won’t install Android update via Smart Switch

Hi I really need your help. I get a message when I start the phone: an error has occurred while updating the device software. Use the emergency recovery function in the smart switch pc software. I have tried kies and smart switch but it didnt work. It didnt come up anywhere to fill in serial number. Then I tried the volume, home, and power button. When I do that it says warning a custom os can cause critical problems in a phone and installed applications . If you download a custom os press the volume up key. Otherwise press the volume down key to cancel. If I press down I come back 2 the first message . When I press up It says Odin mode Product name sm-g920f . Current binary Samsung official. System status official. Reactivation lock off. Secure download enable and it’s marked blue. Knox warranty void 0 (0×0000) ap swrev b:5 k:2 s:2 That’s it it stops there and it dident happen anything more than that. — Juhanna83

Solution: Hi Juhanna83. Below are the possible reasons why your S6 is unable to install Android update:

  • phone is not connected to its original network.
  • no enough storage space
  • phone runs custom OS that prevents installation of software update
  • update blocked by unknown software bug

Carrier-branded phone can only install updates when in Home network

This is often the most common reason why users encounter the frustrating situation of being unable to install Android updates. Unless you have an international Galaxy S6 version, which means it’s not built for any specific carrier, there’s no way you’ll be able to install over-the-air update when you’re not in your carrier’s network. For example, if you have T-Mobile branded S6 and you’re using it in AT&T network, you’ll be unable to receive OTA update notifications at all. That’s because AT&T firmware (it’s own modified Android version) will only work for AT&T devices. Just as you can’t manually install an AT&T firmware to a T-Mobile phone, OTA updates from AT&T will also not work on a T-Mobile system.

Also, make sure that your phone is in good standing and recognized by your carrier. Blacklisted or flagged devices may not receive updates even if they’re currently connected to their home network. If you were able to receive over-the-air updates for this phone in this same network before, then you need to talk to your carrier to ensure that there’s no issue in your account that may play a role in the lack of updates in your device. It would also be your opportunity to ask your carrier if they can help you.

Ensure that your phone has enough storage space

Although a target device wishing to install update without enough internal storage space will show an error telling the user so, it’s possible that you may have the same situation sans the error. Make sure that the phone’s internal storage has at least 1GB of free space to allow an Android update.

Does your phone run unofficial software?

Some root software or custom firmware may prevent system update from official sources like Smart Switch. If you’ve rooted the device before, or if it runs a non-Samsung firmware, don’t expect it to receive updates over the network, or via Smart Switch. You’ll have to manually flash a new updated firmware in order to enjoy a new Android experience.

Update blocked by unknown software bug

If your phone runs official carrier or Samsung software, then something must be blocking the updates from being installed. To eliminate any unknown software issue, consider wiping the phone clean first before attempting another installation. Here’s how:

  1. Create a backup of your important files.
  2. Turn off your Samsung Galaxy S6 Edge.
  3. Press and hold the Volume Up, Home and Power keys together.
  4. When the device powers on and displays ‘Power on logo’, release all keys and the Android icon will appear on the screen.
  5. Wait until the Android Recovery Screen appears after about 30 seconds.
  6. Using the Volume Down key, highlight the option, wipe data/factory reset and press the Power key to select it.
  7. Press the Vol Down button again until the option Yes — delete all user data is highlighted and then press the Power key to select it.
  8. After the reset is complete, highlight ‘Reboot system now’ and hit the Power key to restart the phone.

Problem 2: What you can do if your Galaxy S6 motherboard is shorted, won’t turn on

Hi: I got a S6 SM920I. It was working fine until one morning the alarm turned on and I tried to silence it (phone was plugged in overnight and still plug in at the time, with a Samsung charger). I got a shock from the phone and it stopped working since. Tried holding power and vol down for 15 sec. Nothing. Left the phone untouched for almost a month, hoping the battery will be drained and I can recharge the phone and it will power on. No luck there. Finally, I decided to open the phone up with the instructions from ifixit. Disconnect the battery connector for a minute and reconnect it. Still wild not power up. Check the battery with a multimeter. It reads 4.1V. So the battery is fully charged. Connect the USB charger and there is no sign of life at all. There are 3 major components in there. Battery, main board and USB charge port. Somehow I don’t think the USB port is the issue, The battery is full. So it had to be a bad mainboard. What do you think? Thanks Gary Runner

Solution: Hi Gary. If you got zapped when your phone was charging, then there must be a short in the mainboard somewhere. So, yeah, it’s most probably a motherboard issue. If you can, consider replacing the board with a new one. It’s going to cost you over a hundred bucks to get a working board for an S6 at this time so it’s still way cheaper than getting a new S7 or S8.

Problem 3: Galaxy S6 overheating and randomly shuts down

Hello guys, I’m Ranjeeth from India. I read all the comments above and i faced the first problem. I purchased Samsung Galaxy S6 edge from awok.com (Dubai) which is a refurbished phone. The problem started after using it for 7 months. First it started with overheating and battery drain. As soon as i realized the overheating and drain causing because of playing Pirates of the Caribbean (game) and left it to cool down and played again after 4 hrs after it cooled down. It started overheating and now used to shutdown completely. While using music player using samsung speakers it started making loud noise which is completely out of sync. I’ve rebooted several times and shown to samsung care in here but no response as the samsung care, India also doesn’t take of repair and stopped buying samsung phones since. They only keep telling there’s a hardware issue which can only be solved (repaired) in the country i’ve purchased the mobile.   Can you guys help on answering the issue? — Ranjeethkasala341

Solution: Hi Ranjeethkasala341. Have you tried performing a factory reset on your device? If you haven’t, make sure to follow the steps above. Factory reset will help you know if the issue is caused by bad software or not. Make sure that you let the phone run for 24 hours  without any third party apps. If your phone works normally after you do it (no overheating, no random shutdowns, no out of sync audio), then start cleaning the system by installing only necessary apps. Bad third party apps can cause troubles too.

If you can’t live without your games, try to limit your playing time to prevent the device from overheating and randomly shutting down.

Should the issue persist after a factory reset, that’s a clear indicator that you have a bad hardware at hand. Start by replacing the battery. If you can’t do it yourself (we don’t recommend it), let someone do it for you. If a new battery will not change anything, then you got yourself a motherboard problem. As mentioned above, replacing the motherboard can be an expensive proposition though it’s still a better option for you if you don’t plan on upgrading your S6 anytime soon.

Our blog does not support hardware issues so if you plan on replacing the battery or motherboard by yourself, we suggest that you visit other sources like YouTube for video tutorials or guides. Keep in mind that whether you’ll do the repair yourself, or let others do it for you, you’ll still need to invest in it. If you’ll do the repair, you’ll have to ensure that you find a good replacement component as well as get the right tools for the job. Do-it-yourself repair might save some money but one disadvantage is the fact that you may end up causing more problems than fixing the ones you have right now. We suggest that you be careful if you plan on doing it.

 


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