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Galaxy Note 5 bought from China stuck in AT&T logo screen, won’t boot normally

Hello everyone. We discuss some of the common #GalaxyNote5 problems in today’s Note 5 troubleshooting episode. As usual, the problems mentioned here are taken from letters we receive from some Note 5 users around the world so hopefully you’ll find this article useful.

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.

Below are specific topics we’re bringing for you today:

Problem 1: Galaxy Note 5 bought from China stuck in AT&T logo screen, won’t boot normally

I have a new Samsung Note 5. I bought it from China advertised as an original unlocked phone but found it starts on AT&T screen and came preloaded with AT&T apps. Anyway I’m in London UK. The problem I’m having is it jams all the time after starting. I can’t swipe the screen to unlock. If I double click the home button I can get to the normal home screen but that too is jammed… nothing responds. I tried clearing the cache… no different. If you don’t turn on the phone for a few days (this was before it jammed completely) when you do turn it on it becomes inundated by hundreds of old notifications which is very annoying. It always opening with a stupid AT&T logo is also annoying as if they control and own my phone. They don’t and I hate them. I bought it advettised as an original new phone. I think now I will have to factory reset it but I will lose all my stuff on it. Thanks.  — Martin

Solution: Hi Martin. Not everything that’s advertised works. Now that you’ve learned your lesson, we hope that you’ll approach owning electronics device with a grain of salt, especially if they come from an unofficial source. We don’t know the history of your device nor the facts about its purchase so we can’t say with a degree of certainty if you have a lemon. However, based in our experience and those of millions of other users, a brand new Note 5 seldom fails months after purchase. Unless a user intentionally tamper with the software or hardware, a new Note 5 can remain problem-free months after it’s been bought. That yours is the opposite experience may be telling sign that your device may not be brand new, or not even a real Note 5 at all.

Anyway, let’s assume that your phone is the real deal (not a fake Note 5 from China). In this case, you may be able to fix the problem by doing a factory reset via Recovery Mode. If you haven’t tried it before contacting us, here are the steps to do it:

  1. Turn off your Samsung Galaxy Note 5 completely.
  2. Press and hold the Volume Up and the Home buttons first, and then press and hold the Power key.
  3. Keep the three buttons pressed and when ‘Samsung Galaxy Note5’ shows, release the Power key but continue holding the other two.
  4. Once the Android logo shows, release both the Volume Up and Home buttons.
  5. The notice ‘Installing system update’ will show on the screen for 30 to 60 seconds before the Android system recovery screen is shown with its options.
  6. Use the Volume Down key to highlight the option ‘Yes — delete all user data’ and press the Power key to select it.
  7. When the process is complete, use the Volume Down key to highlight the option ‘Reboot system now’ and hit the Power key to restart the phone.
  8. The reboot may take a little longer to complete but don’t worry and wait for the device to become active.

In some cases, factory reset won’t fix a problem like yours unless you reflash the bootloader. So, if the same thing happens on your device, be sure to try that as well.

Below are the sample steps on how to flash a bootloader. The exact steps may be slightly different for your phone model so be sure to consult other guides to prevent bricking your device. Keep in mind that flashing the bootloader incorrectly can seriously result to permanent software or even hardware malfunction. Only flash the bootloader if you are certain that you have a good guide to follow. Try visiting other sites like XDA-Developers Forum and see if their community can give you a proven and tested guide on how to flash your phone model.

  1. Look for the correct firmware for your phone model and download it. Make sure that you select the right one. It should be the same exact firmware that ran previously on your device. We assume that you list down the firmware version somewhere. If you did not take note of it before, there’s a chance that you may pick the wrong one. As you may know now, using an incorrect firmware can cause complications so good luck with that.
  2. Let’s now say that you have identified the correct firmware. You then want to download it to your computer. The firmware file should have a bunch of files in it like AP_, BL_, CSC_, etc.
  3. Look for the file that starts with a label BL; this should be the corresponding bootloader file for this firmware. Once you’ve identified the bootloader file, copy it to your computer’s desktop or to any other folder that you can easily access.
  4. Proceed with the rest of the flashing procedure using the Odin program.
  5. In Odin, click on the BL tab and make sure to use the bootloader file you’ve identified earlier.
  6. Now, make sure that the “Device Added” status and its “ID:COM box” has turned blue before hitting the START button. This will initiate the flashing of your phone’s bootloader.
  7. Restart the phone once the procedure is finished.

Problem 2: Galaxy Note 5 won’t charge

I have a Samsung galaxy note 5 that charges normally when I charge it before it reaches 0%, But apparently when my phone’s battery reaches 0% and I try to charge it, the phone won’t charge at all! I have to plug it out and in multiple times before it charges again and it took hours! I tested my charger on other phones and it works, so the charger isn’t the problem. I charged my phone on the computer but it still won’t work! Some help, please? — Lovely Mae Caracuel

Solution: Hi Lovely. Try recalibrating the battery first and see if it works. The battery may be malfunctioning and the operating system may not be detecting its actual power levels. To help Android read battery power levels correctly, you must try to recalibrate it by doing the following steps:

  1. Use the phone by playing games or doing tasks to hasten power discharge, until the phone turns itself off.
  2. Charge the phone without turning it back on.
  3. Wait until the battery says it is fully charged to 100%.
  4. Wait for an hour before unplugging the phone from the charger.
  5. Use the phone until battery reaches 0% percent. The phone should turn off by itself.
  6. Recharge the phone to 100%, wait for an hour before unplugging it again.
  7. The battery should now be recalibrated. Observe how phone works.

If your Note 5’s charging activity remains erratic after recalibrating the battery, you should then try to factory reset the phone to eliminate a possible software issue. Refer to the steps above.

In case the problem lies with the micro USB port, try using a wireless charger. If charging works normally when using a wireless charger, you should send the phone in so the charging port can be repaired or replaced.

However, If the phone won’t still charge wirelessly, that can signal an issue with either the battery or something in the motherboard. Either case, you’ll have to have the phone repaired.

Problem 3: Galaxy Note 5 not turning on, won’t boot normally

Phone type Galaxy Note 5 running on kernel system. Okay so today my phone has been flashing on and off and bit getting stuck on the open screen that says Galaxy Note 5. So I tried to do a reboot on my phone and I think I pushed the wrong button. when I did it it flashed, then it showed a padlock that said custom underneath on the turn on screen that has never been there before. I don’t know how to fix it/ need to be fixed ASAP. please help. — Ashley

Solution: Hi Ashley. Your issue appears similar to Martin’s above so kindly check our suggestions for him. Remember, if the problem won’t go away after trying our suggestions, you should consider repair or replacement.

 


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