On 6 November 2013 the CyanogenMod team started pushing the code of CyanogenMod 11, based on Android 4.4 KitKat, to GitHub. The first nightly release of CyanogenMod 11.0 began rolling out for a selected number of devices on 5 December 2013.
You don't need to be rooted to install a custom ROM. You just need a custom recovery like TWRP, CWM etc. You only need root to grant apps/services superuser access and give permission to them to make changes to the system. Yes, You can install custom rom on your android device without rooting it by using SP flash tool.
How to Install CyanogenMod 12
- Step 1: Download CyanogenMod Installer. Visit get.cm from your Android device and download the .apk file.
- Step 2: Enable Unknown Sources. Go to Settings > Security > Check Unknown Sources.
- Step 3: Install the App. Open the .apk file that you downloaded earlier, and install it.
- Step 4: Follow the instructions.
To flash your ROM:
- Reboot your phone into Recovery mode, just like we did back when we made our Nandroid backup.
- Head to the "Install" or "Install ZIP from SD Card" section of your recovery.
- Navigate to the ZIP file you downloaded earlier, and select it from the list to flash it.
Flash Samsung Stock ROM (Official/Original Firmware) via Odin
- Step 1: Download and install device driver software on your computer.
- Step 2: Download and extract the Stock ROM (Official/Original Firmware).
- Step 3: Download and extract Odin on you PC.
- Step 4: Boot your Samsung device into Download mode.
Odin is a utility software developed and used internally by Samsung which can be used to flash a custom recovery firmware image (as opposed to the stock recovery firmware image) to a Samsung Android device. It is also used as a way of unbricking an Android device. There is a similar free/libre software called Heimdall.
Press all buttons at the same time and hold them. get into download mode then hold volume down, power home and the phone should power off. If it won't power back on try holding power and volume down for like 20 sec, it may boot normally. Hold Voume Up + Power + Home until recovery boots.
Odin mode, also known as Download mode, is a mode for SAMSUNG only. It is a state that allows you to flash firmware through Odin or other desktop software. When in Download mode, you will see s triangle with an Android image in it and says "Downloading"
Recovery is an independent, lightweight runtime environment that is included on a separate partition from the main Android operating system on all Android devices. You can boot directly into recovery mode and use it to factory reset your device, delete the cache partition, or apply software updates.
Fastboot is a protocol that can be used to re-flash partitions on your device (update the flash file system in Android devices). It is this small tool that comes with the Android SDK (Software Developer Kit), which is an alternative to the Recovery Mode for doing installations and updates.
Rebooting to system is just normal Android. Nothing special. If you boot to recovery, you can do stuff like factory reset your phone or install updates. Or you can boot into download mode (aka bootloader). The way you do this varies by phone, but you usually have to press volume down and power.
If you are experiencing issues with your VOIP service, Support may ask you to reboot the phone. Rebooting the phone means to turn off your phone and turn it back on again. To reboot the phone, disconnect the cord supplying the electrical power to the phone and plug it back into the same port a few seconds later.
A bootloader is a computer program that loads an operating system (OS) or runtime environment for the computer after completion of the self-tests. Bootloader is like BOIS to your computer. It is the first thing that runs when you boot up your Android device. It packages the instructions to boot operating system kernel.
Rebooting is simply a case of tapping the Reboot button from the TWRP main screen. You can select to reboot the System (Android), to Power Off, to reboot Recovery, or to boot to the Bootloader. This powers on the device but boots no software, and allows you to access a bricked device via a USB connection to your PC.
The Recovery Mode page is a barren page, with all but the No Command error picture in the background, and some text and and a menu. The title will read "Android System Recovery Mode", or something along those lines. Use the volume keys to navigate, and the power or shift to select.
To get out of recovery mode, make sure your USB cable is connected to both the laptop running iTunes and your device.You may need to hold the home button while connecting your USB cable as above. Now hold the home and sleep/wake buttons together until you see the Apple logo appear.
To boot into recovery mode, make sure that the device is powered off, then follow these instructions:
- Hold the Volume Up and Power button simultaneously (for Samsung Galaxy devices, hold Volume Up + Home + Power)
- Hold the button combination until you see the word Start (on Stock Android).
To restart, press and hold the Power button until a Slide down to power off message appears on-screen, then swipe down. (It usually takes about three seconds for the message to appear.) To turn your phone back on, press the Power button.
Soft reset with hardware keys
- Back up data on the internal memory.
- Reset the iPhone by holding the sleep/wake button at the top right of the device and the home button at the bottom center of the face at the same time.
- Hold them both until you see the screen go black.
- Wait until the white Apple logo appears.
How to erase all data from your iPhone or iPad
- Launch the Settings app from the Home screen of your iPhone or iPad.
- Now tap on General.
- Scroll all the way to the bottom and tap on Reset.
- Tap on Erase All Content and Settings.
- Tap on Erase iPhone.
- Tap on Erase iPhone again to confirm.
- Enter your Passcode.