I now have a rooted Android 4. I tried to run an unlock application from the Google play store, which found the unlock code that was used in past and unlocked the phone in past when the phone had ginger-bird OS , but the problem is that this unlock code does not work on the phone after it was upgraded to JB. This is not the kernel PDA , I now know….

What do you suggest me to do now in order to: 1. Unlock the phone? Fix the battery issue 3. Fix the external memory issue. Hi, Just want to thank and update, I used the GalaxSim app and it solved the problem for me. I installed CM I will now start installing my application to phone. BTW, one important tip: CM X on my phone. I am not sure if it was necessary or not to avoid clearing the Dalvik cache, in order for the CM Thanks for coming back and sharing your feedback. I am happy I could help you in any way. Enjoy your new unlocked and rooted S2 and keep visiting!

I agree that the JB update for device like S2 and Note have added issues to these devices but you can fix this by installing a good custom ROM after rooting. If your wish to root the device is just for unlocking the device, you can try some other alternatives. I had a sim-locked S3 with Vodafone UK and I unlocked it simply by installing an unbranded firmware on it. If you are interested in that, let me know. Yes it can if the device is not hard-locked.

In my knowledge, carriers like Vodafone, O2 or Three soft-lock their devices. As for the battery issue, stock JB does pose this issue. If you device is old, you should also consider replacing the battery. You can also try this: place the card in a card reader, connect to computer, copy the files on it on the computer, then format the card and put the files back. In order to unlock it I need to have root access.

Rooting has nothing to do with network settings. It only changes the Kernel of the device, not the Modem. You can root your device but do not use this tutorial as it is older and meant for a specific firmware version as you can see in the title. Hi, I would like to ask you, if I choose either the second or the third method for rooting will I be able to get to the original kernel system without getting the yellow triangle and flash count increasing and in what way.

Thank you. Flashing via recovery will not give you the triangle. Your device will be rooted but you will not get CWM Recovery. Thank you for your prompt answer. But I wanted to know the way for unrooting without triangle not to lose the warranty if I needed the device to have repaired. You want to drink water without getting your mouth wet.

LOL Anyways: If you root by installing the app I gave you link in my previous reply, you will get the triangle. I will not bump the flash counter and thus the warranty remains intact. Finally I chose the third method the Philz kernel via stock recovery. It went fine, without triangle and it works well.

This is an old guide written when only a single JB firmware was available.

I like it here is rooted. The whole looks chic.

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But a problem I have. Works for me and not the sim lock screen lock! What can I do? Hey thank you man. I really appreciate this.

Thank you again. Failed to root it under this guide. Showed the yellow triangle at the start up though but to no avail. Any suggestions?

Rooting Galaxy S2 - Dummies Guide

Sorry Adolf that it did not work for you. Philz kernel is probably the only working thing for rooting xwls8. Post updated! I did that exactly, but even after rebooting it asked me to enter the sim network unlock pin, and when i checked the root status it said no root acces : help me.

What is needed to root the Samsung Galaxy S2?

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Contents 1 Disclaimer: 2 1. Rooting Galaxy S2 on Android 4. Your phone should have the latest updates from Samsung installed before you follow these instructions. Use Samsung Kies to ensure your phone is updated by following this guide here Rooting will delete your phone's data. Backup your important files to an SD card or computer before continuing with the installation. To proceed with rooting your S2 and updating to Android 4.

You will not be able to proceed if you do not have it enabled. Pat yourself on the back. You have now enabled USB Debugging on your device and can proceed on to the next steps. Please wait patiently for your phone to reboot after this process completes. It usually takes minutes.

Jelly Bean is the 10th version of Google's Android operating system. It succeeded Ice Cream Sandwich and was officially released on June 27, Nicknamed 'Project Butter'.

How to Root the Samsung Galaxy S2 (I900P)

The new OS aims to make the user interface as smooth as possible from a visual perspective. Menus and transitions will now flow as you haven't experienced before on your Android. There are also various bug fixes and software improvements, most notably: Was this helpful? Yes No I need help A new notification system. You can now complete actions from the notifications tray, like interact with emails and messages without opening the related app.

Speed improvements to the default camera app. Widgets now work better. Better accessibility features. Solution for E-Signature Error If you see this error from the recovery mode, you haven't installed a custom recovery. Make sure that you have rooted and installed Clockwork Mod on the phone.

This error can also occur because of outdated USB drivers. Make sure you have installed Samsung Kies. Run it, and the program will take care of your driver installations. I would like to update my Galaxy S2 4.

[LineageOS 16] Galaxy S2 Lineage OS 16 - Download and Install

You can update your Samsung Galaxy S2 from 4. Do I need to reinstall all Apps that I have currently downloaded? Also, when there is a new version of Android, do I need to install that manually or will it be taken care of automatically in the same way that I check for Android updates right now? Yes No I need help You do not have to reinstall applications when you upgrade your phone's OS version.

These are very easy and convenient ways, so there is a minimal chance that these update options will change in the future. Yes No I need help Understand that this update may not come standard for your device, depending on the time that you asked this question, but you can find this update in your update phone option. It seems that you have rooted your phone to another update of this device instead of having the required update for the phone. Uninstall and reinstall Cyanogen mode to see if you can get your Google Play Store to show up to download applications.

You can find the latest CyanogenMod Google apps package download at [1]. I need to install Android 4.