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Solutions For Samsung Galaxy S2 Not Turning On, Battery Drain Problem

Welcome to our focused troubleshooting series concerning battery drain and power related problems on the Samsung Galaxy S2. Since this is already an old model, owners who are still using this device today will most likely experience power and battery related issues. If you own this particular model then I suggest you bookmark this page for future reference.

Samsung Galaxy S2

In this installment of the series we will tackle four problems sent to us by our readers regarding the issues that they are facing with their phones.

If you own a Galaxy S2 or any other Android device for that matter then feel free to send us an email at [email protected]. We will be more than happy to assist you with any concern that you may have with your device. This is a free service we are offering with no strings attached. We however ask that when you do send us an email try to be as detailed as possible so that an accurate assessment can be made and the correct solution can be given.

If you would like to browse the previous parts in this series then check out this link.

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S2 Does Not Turn On

Problem: Hi, I have a samsung galaxy s2 and it was working well and all of a sudden i went to use it and it doesn’t switched on ,it was nearly fully charged. then i tried to put a new battery and it doesn’t worked with it too. p.s. its not charging too (it’s like dead) can you please help me ASAP?

Solution: Try taking out the battery first as well as the microSD (if our phone has one installed) then press and hold the power button for at least a minute. This completely discharges your phone of any residual power and clears out the RAM. Reinsert the battery but leave the microSD out then turn on your phone.

If it still does not turn on then connect your phone to the wall charger and let it charge for at least 20 minutes. Try turning on your phone again.

If the above troubleshooting steps fail then you should attempt to wipe the cache partition of your phone.

  • Turn off the device.
  • Press and hold both Volume Up and Volume Down keys at the same time.
  • Press the Power key only until the phone vibrates once, then release only the Power key.
  • Continue to hold the Volume up and Volume Down keys until the Android System Recovery screen appears.
  • Press the Volume Down key to highlight wipe cache partition.
  • Press the Home or Power key to select.
  • Make sure Reboot System Now is highlighted and press the Home (or Power key to reboot.

If the problem still persists then bring your phone to an authorized service center and have it checked.

S2 Battery Drains Fast

Problem: I have Battery Doctor , clean master, cm security ,cm speed booster and other traditional apps on my phone. Problem: I’m constantly going to Battery Doctor to address running apps consuming power on the phone.I also noticed once my phone is fully charged less than two minutes later it reflects at 92%.  device lagging has also recently become an issue. I have a just the brightness option. what recommendations do you have which will enable me to address these problems?  please advise.

Solution: Regarding the power drain issue you should verify first if a third party app is causing this by starting your phone in Safe Mode.

  • Turn the device off.
  • Press and hold the Power key.
  • When ‘Samsung Galaxy S III’ appears on the screen, release the Power key Immediately after releasing the Power key, press and hold the Volume down key.
  • Continue to hold the Volume down key until the device finishes restarting.
  • ‘Safe mode’ will display in the bottom left corner of the screen. Release the Volume down key when you see ‘Safe Mode.’

Observe your phone battery meter and see if you still notice a considerable drop. if the issue does not occur anymore then chances are it is caused by an app. Find out what app is causing this and uninstall it.

If the issue still persists in Safe Mode then you should wipe the cache partition of your phone. This solution will also deal with the lagging issue you are experiencing.

  • Turn off the device.
  • Press and hold both Volume Up and Volume Down keys at the same time.
  • Press the Power key only until the phone vibrates once, then release only the Power key.
  • Continue to hold the Volume up and Volume Down keys until the Android System Recovery screen appears.
  • Press the Volume Down key to highlight wipe cache partition.
  • Press the Home or Power key to select.
  • Make sure Reboot System Now is highlighted and press the Home (or Power key to reboot.

If the problem still persists then back up you phone data and do a factory reset.

  • Turn off the device.
  • Press and hold the following three buttons at the same time: Volume Up key, Home key, ower key.
  • When the phone vibrates, release the Power key but continue to press and hold the Volume Up key and the Home key.
  • When the Android System Recovery screen appears, release the Volume Up and Home keys.
  • Press the Volume down key to highlight ‘wipe data / factory reset.’
  • Press Power button to select.
  • Press the Volume down key to highlight ‘delete all user data.’
  • Press Power button to select and start the master reset. When the master reset is complete, ‘Reboot system now’ is highlighted.
  • Press the Power key to turn the restart the device.

If at this point you are still experiencing the same problem then try using a new battery on your phone.

S2 Not Turning On

Problem: I charged my phone last night. This morning the blue light was on and blinking once a second.  I pressed the power on key and it would not respond. I have tried other batteries with no luck. Then I tried them with my charger plugged in – no luck. Then I tried them with the phone plugged into my computer – no luck. Also I notice it’s not going back into charging mode (red light on) with any of the battery juggling I’m doing. Also I don’t have the original USB computer/charge cable. Or at least I don’t know which of my cables is the right one. Somehow my phone must have recognized that I was looking at my Sprint store to get new phone, and it decided to go belly up on me. Please help. I’m desperate to retrieve my data, contacts, and photos of my grandchildren.

Solution: Have you tried charging your phone with a different USB cord? Try this first and see if it works. If your phone still does not turn on then take out the battery and microSD card then press and hold the power button for at least a minute. Reinsert the battery but leave the microSD out. Turn on your phone.

If the problem persists then attempt to wipe the cache partition of your phone.

  • Turn off the device.
  • Press and hold both Volume Up and Volume Down keys at the same time.
  • Press the Power key only until the phone vibrates once, then release only the Power key.
  • Continue to hold the Volume up and Volume Down keys until the Android System Recovery screen appears.
  • Press the Volume Down key to highlight wipe cache partition.
  • Press the Home or Power key to select.
  • Make sure Reboot System Now is highlighted and press the Home (or Power key to reboot.

If your phone still does not turn on then this may already be a hardware related problem. Bring your phone to an authorized service center and have it checked.

S2 No Power

Problem: Hi I was reading your webpage on how to repair Galaxy s2’s and thought I would try asking for your advice. I have an S2 which has had a new battery and charging port installed a couple of months ago and was working well however now the phone won’t turn on at all, totally blank screen and no sound, nowt! When I plug it into charger there’s still nothing however the batter does get slightly warm as it would as if it was charging normally. I have tried holding down the power, side buttons in various different ways as advised by other sites etc however nothing seems to kick it into gear! Any advice you have would be gratefully received. Kind regards

Solution: There’s a possibility that the battery may already be faulty. Try getting another battery and use it in your phone. If the problem still persists then this may already be caused by a faulty hardware. Have your phone checked at an authorized service center.

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