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How to Fix Common Problems and Errors with Samsung Galaxy S2 [Part 36]

Samsung-Galaxy-S2-Problems-36

Welcome to the 36th part of our Samsung Galaxy S2 problems troubleshooting series. There’s a dozen of problems I addressed in this post so if you previously emailed us, take time to skim through it to find out if I’ve included your concerns.

You may also visit our Galaxy S2 troubleshooting page as we indexed all issues we’ve addressed. For those who have just tuned in, we provide free support to problems related to Android. You may email us at [email protected]. We read every email that goes into our inbox and we take time to research for possible solutions and outline troubleshooting guides. So please, take time to write all necessary details about your issues so that it would be easier for us to assess your concerns.

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The following are issues addressed in this post. Click on a link to jump to a problem:

  1. Can’t Boot Up to the Home Screen
  2. Question About Existing Photos
  3. Shows ‘No SIM Card’ Error
  4. Drains Battery Fast
  5. Won’t Power On At All
  6. Crashes During Calls
  7. Reboots When Bluetooth is On
  8. Keeps Flashing Between Screens
  9. Insufficient Storage Space Error
  10. Liquid Damage Issues
  11. Turns On Automatically
  12. Microphone Problem

Galaxy S2 Can’t Boot Up to the Home Screen

Problem: Hi guys. My good old Galaxy S2 is now having some issues. Yesterday, it started to freeze randomly and today, it turned itself off and when I tried to power it on, the screen displayed the Samsung logo and got stuck there. I already tried attempted to reboot it many times but it still stuck on that screen. I understand it may be time to get a new phone but if I can squeeze this phone to serve me for another 4 or 5 months, that would be great. Any advice will surely be appreciated. Thanks in advance and happy New Year! — Raymond

Troubleshooting: Happy New Year, Raymond! You know, I’m interested to know what caused the freezing because there’s a possibility that whatever caused such problem also caused the phone not to boot up completely. Let’s try to troubleshoot the phone and let’s take the safest way.

Soft Reset

This is the first troubleshooting procedure you should try. I understand you already powered down and up the phone a million times but I believe that’s not enough. What soft reset does, actually, is drain stored electricity from capacitors and other electronic components inside the phone. Thus, it refreshes the devices memory. It’s very effective for minor hardware and firmware glitches.

  1. While the phone is stuck on the Samsung logo, remove the back cover.
  2. Now pull the battery out.
  3. Without its battery, press and hold the phone’s Power key for a minute.
  4. Place the battery back to its compartment, then secure it with the back cover.
  5. Turn the phone on normally.

Safe Mode

In the event that soft reset failed to fix the problem, the next thing you should do is boot the phone in safe mode. This will temporarily disable all third-party apps and services. There is a chance that one of the apps caused the freezing and boot up failure, so it’s worth your time.

  1. Remove the battery from the phone.
  2. Re-insert the battery.
  3. Press and hold the Menu key.
  4. While holding the Menu key, turn on the device.
  5. When you see the lock screen, you can release the Menu key.
  6. ‘Safe mode’ displays in the lower-left corner.

If the phone successfully booted up in safe mode, restart it to see if it boots up to normal mode.

Wipe Cache Partition

In case the phone failed to boot up in safe mode or still won’t boot up normally, it’s time you wiped the cache partition. Doing so will delete all old app caches forcing the phone to create new ones.

  1. Turn off the device.
  2. Press and hold both Volume Up and Volume Down keys at the same time.
  3. Press the Power key only until the phone vibrates once, then release only the Power key.
  4. Continue to hold the Volume up and Volume Down keys until the Android System Recovery screen appears.
  5. Press the Volume Down key to highlight wipe cache partition.
  6. Press the Power button to select.
  7. Highlight reboot system now and press the power button again to reboot.

If all of these procedures failed, you should consider resetting the phone to its factory defaults. You may lose all data stored in the phone’s internal storage, but if the phone can boot successfully in safe mode, use that opportunity to backup everything.

Question About Existing Photos in Galaxy S2

Question: Hi Guys, I have Samsung galaxy S2, connected to PC to get the photos from phone. I can see so many photo on PC that came from Phone but I never seen those photo in phone gallery, in fact those photos haven’t been taken by phone camera either.

I don’t know where these photos came from? Not that too much trouble, I can delete them but just curious to know how come it saves so many images in photo gallery, which I haven’t saved from any other app e.g. watts app, haven’t taken by camera & it do not show in phone but does in PC. Thanks.

Answer: I’m not sure what kind of photos you can see but I believe those pictures were saved in your phone by apps you downloaded. Yes, there are many apps that save photos in the phone without the knowledge of the user. Advertisements that often pop up when you use some free apps also make caches and thumbnails. You’re not the only one to have asked us about this issue. In fact, it happens to every Android user. But then again, I don’t know for sure what kind of photos you’re seeing, it is also possible somebody saved photos in a directory that can’t be reached by the Gallery app.

Galaxy S2 Shows ‘No SIM Card’ Error

Problem: Hi, I was wondering if you could help me…. I have had my Samsung Galaxy S2 for half a year now and it has accepted my sim card and I have had no problems linked to my sim card till now I have a sim card with Three network. I was on the Internet using my network when all a sudden a notification said that I had to reset my phone as the phone couldn’t find my sim card so I couldn’t use the network also a notification came up at the top saying no sim insert sim card. With no choice I reset the phone. When it came back on it still had the notification saying no sim card. I turned the phone on and off taking the sim card out cleaning it and putting it back in while the phone was off but nothing has changed, what shall I do? — Leah

Troubleshooting: Hi Leah. Well, you’ve done what you’re supposed to do; reset the phone, cleaned the SIM card connectors, probably rebooted the phone many times, etc. That’s enough for us to conclude the SIM is the problem. The error message “No SIM Card” means the phone cannot detect the one that is mounted. I’m not sure if you can just plug another SIM card to your phone without the need of provisioning by your provider but if that’s the case, then try it to find out if the phone can detect other SIM cards. Or, you may call your phone provider, request a SIM card replacement to retain your number.

Galaxy S2 Drains Battery Fast

Problem: Hey Droid Guy, I’m having a problem with my Galaxy S2. I’ve had it for about 2 years now and it has always worked perfectly fine. However, today I turned it on, and then suddenly my battery drained to 0%. I then tried just letting it charge and turning it back on. I let it charge to 20%, and then I turned it on. When I turned it one, it then drained in mere seconds back to 0% and shut down. I don’t know what to do and its really getting annoying. I did however drop my phone about a week ago, but it was perfectly fine at that time and still worked perfectly, just with a cracked screen. Please help! — Darian

Troubleshooting: Verify if there is water damage by checking the LDI (liquid damage indicator) on the back of the phone (you need to remove the battery). If the sticker is red, pink or purple, then there’s liquid damage and that’s causing the problem. However, if the sticker is white, then you need to troubleshoot further to know what the problem really is.

Unplug the charger and remove the battery. While the battery is out, press and hold the Power key for a minute. Insert the battery back in and attach the back cover the phone. Plug the charger in and leave the phone to charge for, at least, 30 minutes to make sure there’s enough power. After 30 minutes, attempt to turn the phone on.

If the battery still drains so fast, then there’s a possibility it’s a battery problem. Try a new battery but I suggest you borrow from someone who has the same phone because there’s no guarantee the problem will be fixed by buying a new battery. In case the problem persists even with a different battery, then the problem must be in the daughterboard where the USB charging port is soldered. You need the help of a technician to have this figured out.

Galaxy S2 Won’t Power On At All

Problem: My Samsung Galaxy S2 which I’ve only had for about a year won’t turn on at all, the phone will still charge when I plug it in, but it will not turn on at all. Before I had this problem the phone would just automatically power off and begin to vibrate every few seconds. — Mereli

Related Problem: I have a Samsung Galaxy S2(SGH-T989). My phone has been resetting itself consistently. It turns itself off and on. I dont know whats wrong with it. I had this phone about two years and never had a problem with it.

Troubleshooting: Hi Mereli, it’s a sign of a stuck Power button. Charge the phone to make sure there’s enough power. After that, remove the back cover and pull the battery out. Now, press the Power key many times to get it out from being stuck. It doesn’t matter how many times you press it as long as the problem will be fixed. If not, then the Power key may be damaged already. You need to have the phone checked by a technician. If the power switch was damaged, it can easily be replaced.

Galaxy S2 Crashes During Calls

Problem: As soon as I attempt to swipe screen to answer call, the screen will lock and can’t be unlocked until message appears: “Unfortunately, the process,com.android.phone has stopped working.” There is also no record in my call log when this happens. Any ideas on how to fix?

Troubleshooting: This is a common issue. In fact, there are various ways to solve this problem but the two most effective solutions are clearing the data of the dialer (phone) app.

  1. From the Home screen, tap the Apps icon.
  2. Scroll to the right and touch Settings.
  3. Scroll down and tap Applications.
  4. Tap All tab.
  5. Now scroll to and tap Dialer.
  6. Tap the Clear Data button.

If this procedure failed to fix the problem, then you must perform full master reset–it doesn’t just delete all your apps and information but reformats the data partition. It’s effective enough to fix this problem. However, you need to backup all data you don’t want deleted especially those that were stored in the phone’s internal storage.

  1. Turn your phone off.
  2. With the phone off, press and hold the Volume Up key and the Home key, then press and hold the Power key. You’ll see the Android recovery screen.
  3. Scroll to Wipe Data/Factory Reset using the Volume Up or Down keys. Select with the power key.
  4. Scroll down to Yes, Delete User Data and select it.
  5. Your master reset is now complete.
  6. Go to Reboot System Now to restart the phone.

Galaxy S2 Reboots When Bluetooth is On

Problem: Hello, I have a Samsung S2 which has been working normally but of late when I turn on Bluetooth its keeps rebooting over and over again and wen its back on the Bluetooth is still active and then reboots again till I turn the bluetooth off. I need your help as I want to use the bluetooth but the phone can’t allow me. Could it be a virus?

Thanks. — Philip

Troubleshooting: No, it’s not a virus, Philip. I encountered this problem before and the cause was the Bluetooth service that keeps crashing, although there’s no way for you to know it’s happening, you’ll just experience the result. One of the most common reasons why a core service crashes is because its cache may have been corrupted. Android cannot detect corrupted caches so users need to deleted them so that the system will create new cache. The one way to do that is to wipe the cache partition through recovery mode.

  1. Turn off the device.
  2. Press and hold both Volume Up and Volume Down keys at the same time.
  3. Press the Power key only until the phone vibrates once, then release only the Power key.
  4. Continue to hold the Volume up and Volume Down keys until the Android System Recovery screen appears.
  5. Press the Volume Down key to highlight wipe cache partition.
  6. Press the Power button to select.
  7. Highlight reboot system now and press the power button again to reboot.

Galaxy S2 Keeps Flashing Between Screens

Problem: My girlfriend’s phone just randomly turned off while she was using it. Then when she tried to turn back on, It turns on and keeps flashing between the white optus screen and the black samsung screen and shows her lock screen for 2 seconds before flashing between the others again. What do you recommend doing? — Daniel

Troubleshooting: It’s a glitch, Daniel. I am positive soft reset can fix this problem. If not, then booting in safe mode and rebooting back to normal mode will.

Soft Reset

  1. While the phone is stuck on the Samsung logo, remove the back cover.
  2. Now pull the battery out.
  3. Without its battery, press and hold the phone’s Power key for a minute.
  4. Place the battery back to its compartment, then secure it with the back cover.
  5. Turn the phone on normally.

Safe Mode

  1. Remove the battery from the phone.
  2. Re-insert the battery.
  3. Press and hold the Menu key.
  4. While holding the Menu key, turn on the device.
  5. When you see the lock screen, you can release the Menu key.
  6. ‘Safe mode’ displays in the lower-left corner.

Galaxy S2 Insufficient Storage Space Error

Problem: Hi Harold. I’ve read a few of the parts of your Galaxy S2 troubleshooting series but I haven’t found anything that’s related to my problem. Or maybe, you have already addressed this before but I haven’t found it. Do you guys have something like a page where you keeps tabs of the problems you answered in the past? If there is, please point me to that page.

By the way, my problem started about 3 days ago when I tried to install an app. The app couldn’t be installed due to an error message telling me that there is insufficient storage space. I, of course, checked the storage and I still have 9GB something left in my SD card. How come the phone is giving me this error? Can this be fixed? — Marlene

Related Problem: Good Morning, I am having trouble with my S2 – Insufficient storage space do you know how to rectify this? Kind Regards, Adelle.

Troubleshooting: Hey Marlene. Yes I already addressed this problem before and we also have an index page for all Galaxy S2 problems we’ve already addressed–just visit our Galaxy S2 troubleshooting page.

About your problem, actually the phone is telling you that there isn’t enough space in its “internal storage” or “device memory” that’s why you couldn’t download or install a new app. The microSD card is considered “external storage.” To fix this problem, transfer all your photos and videos that are stored in the device’s internal storage to the microSD card and then follow these steps to move apps to the SD card:

  1. From the Home screen, tap the Apps icon.
  2. Launch Settings.
  3. Tap Applications and then Manage applications.
  4. Go to the ‘Downloaded’ tab.
  5. Now, transfer every app that can be moved to the SD card.
  6. Tap on an app and hit the Move to SD card button.
  7. You may tap the On SD card tab to verify if an application has been moved successfully.
  8. Do this to every app you downloaded in the past.

Remember, not all apps can be moved to the external storage. You will know which one if you cannot find the Move to SD card button.

Galaxy S2 Liquid Damage Issues

Problem: Hi team, my Galaxy S2 Plus got wet a little in rain water. So my volume down stop working (intermittent). And after it got wet I have some charging problems sometime it won’t connect via PC through my USB cable (tested with different USB cable and PC).

It’s still under warranty. But the only issue is that I rooted my phone I need the volume down to put on download mode to unroot, then going to repair center. Can you please help me what should I do and if you have an idea what is the problems with my phone? Regards, Danilo.

Troubleshooting: That’s the problem if the phone got wet, it will become unstable and unpredictable. It’s because you will never know the extend of the damage if liquid gets into electronic components inside. The consolation is your phone still powers on and only the Volume Down key and probably the USB charging port were affected.

You said the Vol Down functions intermittently and I’m not sure how often it works. But my point is, just keep on trying to boot your phone into download mode and you’ll be able to get in eventually.

Also, try to put the phone in a bowl of rice overnight with its battery pulled out. The grains of rice will absorb liquid residue inside the phone. Maybe the Volume Down key will function after that.

Galaxy S2 Turns On Automatically

Problem: Hi there, I’ve been having trouble with my S2 where it does not charge properly. It will start charging and then go back and forth from charging to not charging. It also turns it self on when I have turned it off while it is plugged in. I have bought new batteries and chargers for it but nothing has helped. The only way I can currently charge it is by using a separate battery charger which then means I cannot use my phone. Is there any solution to this problem? Kind Regards, Alice.

Troubleshooting: Hi Alice! Based on your description, I think you’re dealing with a phone with a stuck Power button. Try to press and release the Power key many times to see if you can get it out from being stuck. If not, then you really have to bring the phone to a technician and have it sorted out. There’s nothing else you can do to troubleshoot the problem.

Galaxy S2 Microphone Problem

Problem: Hi, I have recently updated Samsung S2 firm version to 4.1 from then i’m facing problem with mic. When i make calls the counter person, he is not able to hear my voice. its working fine when i allow a speaker. I’m thinking that because of software update the mic is not responding correctly.

I’m able to speak calls by turning on speaker that means my mic is working fine. I visited store they replaced new mic and tested but same problem continued. After some analysis they said mic is not responding correctly. Please give solution how to resolve this issue. Thanks, Dileep.

Troubleshooting: Well, it’s easy to say that the “mic is not responding correctly” when you don’t know what the problem really is. But my question is, which mic are they referring to? Samsung Galaxy S2 has two microphones. The first one is located at the top (there’s a hole beside the headphone jack) and the second one is at the bottom (the hole beside the USB / Utility port).

The primary mic is attached to the vibrator and the earspeaker. It functions when you turn on the speakerphone and when you record audio and video. In other words, it’s a multi-purpose microphone but it’s not the problem. The real problem here is the secondary mic that is exclusively used by the dialer app for phone calls. I’m not sure which mic the techs replaced but I think the secondary mic is busted.

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