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Samsung Galaxy S2 Problems, Questions, Errors and Solutions [Part 24]

Welcome to the 24th part in our series of troubleshooting articles dedicated to the Samsung Galaxy S2. It has been more than a week since the last part was published and ever since then we have been receiving lots of emails from our readers concerning this particular model. For those who don’t know yet, we provide assistance to our readers on whatever issue they may be having with their Android device. In this part we will tackle some of the latest issues sent to us.

galaxy s2

If you own a Galaxy S2 or any other Android device for that matter 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 provided.

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S2 Microphone Not Working

Problem: Hi, after I pick the call, I can hear everything that the other person is talking but they can’t hear me.  When I put the phone on speaker they can hear me even with earphones it works. Even other apps like Google search and voice recording are not able to recognize the voice through phone Mike. Extra details: Recently I tried to install CWM recovery v6.0.4.5, and then only I found this problem. After then I installed custom ROM CyanogenMod M8 android 4.4.4. Thank you.

Solution: Did this issue happen after you installed the custom ROM? If it did then you may want to try reinstalling CyanogenMod M8 Android 4.4.4 on your phone again. This time double check the firmware version you are using and see if it is really compatible with your phone. As far as I know there are two firmware versions available, one for the S2 I9100 and the S2 I9100G. Make sure you are using the correct firmware for your model version.

To install the custom ROM just follow the steps below.

  • Download Android 4.4.4 CyanogenMod 11 M8 stable build for Galaxy S2 I9100 or I9100G to your computer
  • Download Google Apps package
  • Connect the Galaxy S2 to computer via USB cable. Without extracting, copy the downloaded firmware zip and Google Apps zip files to the root folder of the phone’s SD card.
  • Turn off the phone and make sure it is totally off.
  • Press and hold Volume Up, Home and Power buttons together, until the Galaxy S2 logo appears on screen.
  • Release all three buttons at the same time to boot into recovery mode. NOTE: In recovery mode, use Volume keys to navigate between options and Power key to select the desired option.
  • Perform Wipe data/Factory reset (this will delete all apps and their settings and game progress) and choose Yes on next screen to confirm the action.
  • Return to CWM recovery main menu and select Mounts and Storage > Format System and click Yes on next screen to confirm. Then perform Wipe Cache Partition. From the main menu of CWM recovery, go to Advanced and choose Wipe Dalvik Cache. Then hit Yes on next screen to confirm.
  • Select Install Zip from sdcard and then click Choose zip from sdcard. Browse to the location of the CM11 M8 stable build file which you copied earlier to your phone’s SD card. Choose Yes on next screen to confirm the firmware installation.
  • Repeat the previous step to install Google Apps as well.
  • Once Google Apps is also installed, select “+++++Go Back+++++”and reboot the phone by tapping reboot system now from the recovery menu. Your Galaxy S2 I9100/I9100G will restart and it may take about 5 minutes for first boot.

If the problem still exists even after reflashing the ROM then you might want to consider installing back the stock ROM on your phone to verify if it is a system software issue. If after installing the stock ROM and the issue still exists then this may already be caused by a faulty hardware. Your best option is to bring your phone to an authorized service center for further checking.

S2 Lock Button, Sound Not Working After USB Board Replacement

Problem: Hey, I’ve read a blog page which I found on the Internet today and i thought id give you an email requesting help 🙂 I’ve just replaced the usb board of the s2 and it works yaay. But now the lock button doesn’t work and i have no sound?  I tried to make the connectors from the speaker connect to the new usb board multiple times the metal has had contact with it so should work right? And the lock button I have not a clue why that isn’t working? Do I have to install new firmware to the Samsung galaxy s2? To install the new board to the phone so the phone and speaker recognize it as being the original? Thank you for your time

Solution: The first thing to consider when changing the USB board of your phone is to make sure that you get the correct one for your device. The S2 model alone has different variants and each of these variant will be using a specific USB board.

Since you are encountering this problem after replacing the USB board the first thing you need to check is if whether the board is compatible with your phone. Just make sure that the USB board that you have is taken from an S2 model that matches the REV number of your phone (this can be seen on the phone motherboard).

Assuming that you have the correct USB board for your phone the next concern is whether the correct procedure was used in replacing the USB board. Were you properly grounded when you changed the components? This is to ensure that static electricity does not damage the electronic components of your phone.

On a hardware point of view it’s difficult for us to determine what is wrong unless we can see the phone personally. What we can suggest though is to try to do a factory reset on your phone to eliminate any software related causes. Be sure to back up your data first as this will be deleted in the process.

  • 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 data / factory reset.
  • Press the Power key to select.
  • Press the Volume Down key to highlight Yes – Delete all user data.
  • Press the Power key to select.
  • Press the Power key to reboot.

S2 Does Not Turn On

Problem: Hi. I have a galaxy s2 that doesn’t turn on, it’s been a while now and I have some pics and things in that category that I want from it. I’m not sure if the phone is fried or anything like that but I bought a new battery and it still didn’t turn on. I would like if you could please give me any ideas or ways I can get it to turn on. Thank you.

Solution: There are a number of reasons why a phone does not turn on. It could be a faulty battery, a defective charger, or even a hardware issue on the phone itself. You were right in getting a new battery as this allows you to eliminate any battery related causes. Before inserting the battery in your phone make sure that it has sufficient charge. New batteries will usually carry some charge in it enough to power on a device. If your phone does turn on with the new battery inserted then follow the steps below.

  • Take out the battery
  • Take out the microSD card (if your phone has one)
  • Press and hold the power button for at least 3 minutes
  • Reinsert the battery
  • Turn on phone

If your phone does not turn on then try connecting it to its original wall charger. Check if there is an indication that your phone is charging. If there is no charging indication then check the charging port on your phone and the charger itself for any dirt or debris that may hamper the flow of power. If you find any dirt then clean it with a toothpick.

Another factor to consider is that the new battery that you have does not have a charge and that your charger is defective. To eliminate this possibility then you should try using a different charger and charge your phone for 2 hours. After 2 hours have elapsed try to turn on your phone.

If using another charger doesn’t work then try connecting your phone to a computer using a USB cable that is known to work. If your computer can detect your phone then download the latest Kies software on your computer and use it back up the data on your phone.

If all of the steps above fail then your phone may already have a hardware problem. In this case your best option is to bring it to an authorized service center for checking.

S2 Freezing Issues

Problem: Hello. I have a Samsung galaxy s2. It was working ok but since today, it is just freezing everything and then restarting and the freezing, and doing it all the time. I can’t go on anything on my phone or press anything, I’ve took the battery out and tried another battery. I’ve tried charging it and everything and it won’t work at all. Can you please help me? Thank you

Solution: Freezing issues on mobile devices are usually caused by low RAM, conflicts with certain apps installed, or even a faulty microSD card.

When your phone is running low in RAM there is not enough space for it to store data needed to process certain services. This means that a certain service will have to wait until a certain amount of RAM is available for it to do what it is designed to do. Signs that your phone is running low in RAM is when it performs sluggishly.

One other factor to consider is that apps you installed might be causing the issue. These apps may not work well with the current system software of your phone.

Another factor that causes your phone to freeze is a faulty microSD card. If your phone takes a long time to access data stored in the card then you will experience freezing issues.

The first thing that you need to do is to start your phone in Safe Mode. This allows you to eliminate any RAM as well as app related issues. When your phone starts in Safe Mode all third party apps that you downloaded from the Google Play Store are disabled.

  • Remove the battery from the phone.
  • Re-insert the battery.
  • Press and hold the Power key.
  • When you see the logo 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’ displays in the lower-left corner. Release the Volume down key when you see ‘Safe Mode.

If in Safe Mode the problem does not occur then you should find out what app that you installed is causing the problem and either check if it has an update over at the Google Play Store or uninstall it completely.

To check if it is your microSD that is causing the issue simply take it out from your phone and observe if it still freezes.

One final troubleshooting step that you can perform is to do a factory reset on your phone. Since this erases everything in your phone be sure to back up your data first before proceeding.

  • 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 data / factory reset.
  • Press the Power key to select.
  • Press the Volume Down key to highlight Yes – Delete all user data.
  • Press the Power key to select.
  • Press the Power key to reboot.

S2 Using exfat Format On microSD

Problem: Hi, I am current using Samsung Galaxy S2 I9100, running Cyanogenmod 11 Snapshot m10. The rom is based on Android kitkat 4.4.4. During installing custom rom, they official mentioned a known bug in their kitkat rom named CYAN5003.

Webpage: wiki.cyanogenmod.org/w/Known_Issues_page_for_i9100

Bug Workaround:

https://jira.cyanogenmod.org/plugins/servlet/mobile#issue/CYAN-5003.

The bug is highly critical and need to be fixed soon because it’s a storage issue and most of the apps experiences this issue. They mentioned the Workaround to fix is to format the internal and external storage form it’s original fat32 file system to exfat file system. I have done formatting my external SD card to exfat using card reader. Now i can feel I have no issues with the content in external SD card. The problem that I am writing to you is that, I don’t know how to format my internal storage to exfat, as the content in my internal storage faces CYAN5003 issue. Could you help to figure out the steps to format internal storage to exfat. Note: This bug affects all custom roms based on kitkat for Galaxy S2. So kindly take it as important and help us with the steps

Solution: Right now there is no easy way to format the internal storage of your phone to the exfat file system. I could point you to a guide over at the xda forum that shows how to format the internal storage to exfat. http://forum.xda-developers.com/android/general/guide-format-ext4-internal-memory-data-t2852815. I haven’t personally tested this yet so proceed at your own risk.

S2 Upgrading Software From Gingerbread

Problem: I have a Samsung s2 gt-i9100p from Bouygues Telecom. I am using it for the past 2 years with android gingerbread os and till now I have not encountered any specific problem. My only headache is in finding a suitable os of at least jelly bean or ice cream sandwich. Concerning this problem, I have checked site like sam mobile and xda developers to find at least an os but I can’t find one for my phone. I tried updating from kies but to no avail. Here is my phone details

  • Model: GT-I9100p
  • Android Version: 2.3.6
  • Baseband version: I9100PXXKI3
  • Build number: Gingerbread.xxkl1

I can’t even update by the setting ‘Software update’

  • PDA: I9100PXXKL1
  • PHONE: I9100PXXKI3
  • CSC: I9100PBOGKL1

Expecting a positive reply from you.

Solution: If your phone is using the stock firmware and not rooted then you will be able to get software updates using Kies. If you are getting an error message that reads “YOUR DEVICE DOES NOT SUPPORT SOFTWARE UPGRADING VIA KIES” when you connect your phone to Kies then there is a possibility that your phone is rooted or is using another type of OS. In this case you will have to use a software called Odin to update your phone software. You will have to download the firmware for your phone, the latest right now is Android 4.1.2, and manually update your phone. Check on the popular forums on the correct procedure in using Odin.

S2 Stuck On Boot Logo

Problem: Hello! Earlier my Samsung s2 turned itself off. When i turn it back on, it looks like it’s going to be fine, but when it gets the Samsung screen (black screen with Samsung written in white in the middle, blue around the edge of the letters) it just stays on that bit. Please help what can I do!!!!

Solution: If you can access the recovery system on your phone then try doing so and wipe its cache partition. Make sure that your phone battery has sufficient charge before proceeding.

  • 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 Power key to select.
  • Make sure Reboot System Now is highlighted and press Power key to reboot

Tell us if this works as this usually solves this type of issue.

S2 Noise Occurs When Placing, Receiving Calls

Problem: Hi, My S2 makes a lot of noise when I make or receive a call.  Restarting the phone temporarily fixes it but the next day same thing.  T-Mobile answer is reboot every day.  I know the S2 should be able to go a more than full day without a reboot.  Any ideas?

Solution: If rebooting your phone solves the problem but only temporarily then you might want to consider doing a factory reset on your phone. The way I see it this issue may be caused by certain apps in your phone or by a glitch in the system software and a factory reset is the quickest way to eliminate any software related causes. Back up your data first before proceeding as this will be deleted in the process.

  • 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 data / factory reset.
  • Press the Power key to select.
  • Press the Volume Down key to highlight Yes – Delete all user data.
  • Press the Power key to select.
  • Press the Power key to reboot.

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