Hardware

Update Samsung Galaxy S3 – I9300 to Android 5.0.3 Lollipop

Step by step for installation https://androidxda.net/install-android-5-0-2-lollipop-on-galaxy-s3-i9300-via-liquidsmooth-custom-rom/ http://www.ibtimes.co.uk/install-android-5-0-2-lollipop-galaxy-s3-i9300-via-resurrection-remix-rom-1484977 Rom managers https://www.clockworkmod.com/rommanager Root telefon http://androidxda.com/how-to-root-samsung-galaxy-s3-i9300-and-i9305 Clockwork mod http://www.techverse.net/how-to-install-clockworkmod-recovery-android-phone-tablet-easy-method/ https://play.google.com/store/apps/details?id=com.koushikdutta.rommanager.license&hl=en Enable debugging http://www.technipages.com/samsung-galaxy-s3-enabledisable-usb-debugging http://www.technipages.com/android-developer-options-is-missing Android SDK https://developer.android.com/sdk/installing/index.html?pkg=studio Other http://www.w0lfdroid.com/2013/12/How-to-Install-CWM-Recovery-and-Root-Samsung-Galaxy-S3-S4-Note2.html http://www.phonearena.com/news/How-to-flash-a-custom-recovery-like-CWM-or-TWRP-on-Android_id53914 CyanogenMod  http://forum.xda-developers.com/galaxy-s3/development/rom-cyanogenmod-11-t2698275 http://forum.xda-developers.com/showthread.php?t=2397942

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Hardware

How to unroot Samsung Galaxy S3 device

Because of warranty I needed to unroot my S3. After a lot of searching I found following articles which helped me to revert my phone to factory defaults. http://forum.xda-developers.com/showthread.php?t=1710613 http://www.ibtimes.co.uk/articles/466933/20130512/galaxys3-i9300-unroot-official-firmware-reclaim-warranty.htm http://www.androidrooting.com/how-to-unroot-galaxy-s3-to-stock-official-firmware/ Used software TrianglAway¬†– tool for reseting flash-counter inside the android firmware SamMobile – server with all Samsung S3 firmwares Samsung Updates¬†– Official Samsung site …

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