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How to fix Samsung Galaxy S7 Edge firmware and system issues

  • Learn how to lengthen the Dual-tone Multi-frequency (DTMF) tones on your #Samsung Galaxy S7 Edge (#GalaxyS7Edge, #S7Edge).
  • Troubleshoot a system problem caused by crashing apps.
  • What to do if your phone or a certain area heats up, which causes freezing and other performance issues.
  • One of our readers reported having prompted with “Custom binary blocked by FRP lock” after rejecting a call, learn how to deal with it.
  • Learn what you need to do if water found its way into your phone, which is water-resistant. 

Galaxy-S7-Edge-system-problems

Your new Samsung Galaxy S7 Edge comes with the latest version of Android (6.0 Marshmallow). Compared with the previous versions, this one’s more advanced and has more features that many manufacturers have taken advantage of. But it’s not perfect. Hiccups happen here and there from time to time.

Some of our readers who are early adopters of Samsung’s newest flagship phone already complained about issues they’ve encountered. So, in this post, I will tackle some of the firmware and system problems we received. Read on to know more about them as well as learn how to fix each one because there’s a chance you’ll encounter any of them in the future.

Before going any further, feel free to contact us if you need further assistance. Just fill up this questionnaire accurately and hit Submit. We will research on your problem and provide you with solutions provided we have all necessary information. You may also visit our S7 Edge troubleshooting page to see if we already addressed your concern before.

Q: “My issue seems simple enough, yet important for me and anyone living in an apartment/condo building with a buzzer security system. My building’s security system is connected to my cell number. When people (delivery or guests) come to my building, they dial my number on the security system. The system calls my cell phone, and in order to buzz them in I have to press and hold 9 on my phone. The security system needs to hear the 9 tone for a few seconds to unlock the door. The problem is that when I press and hold down the 9, the tone only lasts for a fraction of a second which is too short for the security system to buzz someone in. How can I fix it so that when I hold down a number on the phone keypad that the number tone will make a sound for an extended amount of time? PLEASE HELP!!! Thank you!

A: I understand your concern but don’t worry, you can actually set the touch tone longer than the default. Please follow these steps:

  1. From the Home screen, tap Apps icon.
  2. Find and touch Settings.
  3. Tap on Applications and touch Phone.
  4. Touch More settings and tap DTMF tones.
  5. Now set the length of touch tones.

Q: “First the phone stopped pasting and when I went to restart in Safe Mode I couldn’t as it just won’t. Now an app crashes every 10  minutes.

A: It could have been easier for us to determine what the problem here if you provided more information like when and how it started or what app you were using when the problem first occurred. We cannot pinpoint what the exact problem let alone provide you with an accurate solution. So, we suggest doing a procedure that we know will fix this issue–master reset. But before you do that, backup your data, remove your Google account and disengage the screen lock.

  1. Turn off your Samsung Galaxy S7 Edge.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key. NOTE: It doesn’t matter how long you press and hold the Home and Volume Up keys, it won’t affect the phone but by the time you press and hold the Power key, that’s when the phone starts to respond.
  1. When the Samsung Galaxy S7 Edge shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  2. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds. NOTE: The “Installing system update” message may show on the screen for several seconds before displaying the Android system recovery menu. This is just the first phase of the entire process.
  1. Using the Volume Down key, navigate through the options and highlight ‘wipe data / factory reset.’
  2. Once highlighted, you may press the Power key to select it.
  3. Now highlight the option ‘Yes — delete all user data’ using the Volume Down key and press the Power button to select it.
  4. Wait until your phone is finished doing the Master Reset. Once completed, highlight ‘Reboot system now’ and press the Power key.
  5. The phone will now reboot longer than usual.

Q: “The side (near the power button) heats up pretty frequently. It is a new phone, about 3 weeks old. It sometimes freezes, then reboots the phone on its own. This has happened around 3 times so far. Not frequent, but it has happened and it is a brand new phone so very worried as to why it would do so.

A: We don’t know for sure what’s causing it but since it didn’t occur since day 1, there’s a chance that it’s app-related. That said, try booting your device in safe mode:

  1. Press and hold the Power key.
  2. As soon as you can see the ‘Samsung Galaxy S7 EDGE’ on the screen, release the Power key and immediately hold the Volume Down key.
  3. Continue holding the Volume Down button until the device finishes rebooting.
  4. You may release it when you can see ‘Safe mode’ in the bottom left corner of the screen.

If it’s still heat up in safe mode, then you have you other choice but to reset it and if that fails, too, send it in for check up. I understand how you feel right now but if the tech finds out it’s a hardware issue, it may be send over to Samsung for further checkup without a guarantee that the issue will be fixed. Or, you might be given a refurb unit as a replacement.

Q: “Hello I ordered my phone March 8th but only received it on the 18th of March, on the 23rd of March I was in a meeting when a call came in, I stopped it in a hurry and switched it off, I tried putting it on an hour later but it won’t come on displaying a message that ‘custom  binary blocked by FRP lock’. I have tried all suggested set up by pressing the volume keys and power keys, still same message. I have followed the message and done factory reset but still same message, the phone just won’t come on. I spent so much to buy and transport this phone. Please help me. Thanks.

A: I think it’s “FRP” lock and no, wiping the cache partition or doing the master reset won’t fix the problem. The firmware or its operating system needs to be re-installed to fix it. You can actually do it on your own if you are savvy enough to manually flash the firmware, however, it your provider knows about it, the warranty may become invalid or void. So, let an authorized technician do it for your or you can just send the phone to your provider and let it fix the problem.

Q: “Ever since the Marshmallow release, every day in the afternoon my phone forgets my pin and which I have to reboot my phone and then it remembers it again. I have noticed that a popup comes up but it goes away so quickly I can not even see what it says and then that’s when it forgets it. Have you heard of this? I have done the soft rebooting (volume down and power button) and I just recently cleared my cache as well.

A: The Galaxy S7 Edge came with Marshmallow already installed so if you received a firmware update, it must have been a security update or a minor one to patch some issues. Since the fingerprint scanner is a native service, for it to malfunction could mean its cache might have been corrupted by the update. I understand you already cleared the cache but I don’t know if you already deleted all the system cache so the phone will be forced to create new caches. So please, try to wipe the cache partition by following these steps:

  1. Turn off your Samsung Galaxy S7 Edge.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key.
  3. When the Samsung Galaxy S7 Edge shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe cache partition.’
  6. Once highlighted, you may press the Power key to select it.
  7. Now highlight the option ‘Yes’ using the Volume Down key and press the Power button to select it.
  8. Wait until your phone is finished wiping the cache partition. Once completed, highlight ‘Reboot system now’ and press the Power key.
  9. The phone will now reboot longer than usual.

If the issue persists after that, then backup your data and do the master reset. Follow the instructions in the first problem above.

Q: “Phone was submerged in 1.1M of water for 5 seconds. Water entered camera which was blurred and audio was muffled. The phone started booting in safe mode. 24 hours later, camera is ok and audio is ok. But unable to get the phone out of safe mode even after restarting.

A: The S7 Edge is water-resistant, not waterproof so water may still be able to make inside, which is the cause of your problem. Luckily though, your phone wasn’t damaged like other cases. The way I see it, you only have two options. You can either wait for the water to evaporate eventually, which still exposes your phone to liquid damage, or you bring it to a shop and have the technician clean it out for you. Your phone, your call.

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