However, this requires you to manually flash all the files in the update, and has also led to several people reporting errors such as missing back buttons and phone memory being downgraded to 16GB, with a complete system wipe being the only way to recover from the problems, so we would strongly recommend waiting for the OTA update if you get the system. As you will see from the nature of the instructions, this is a slightly technical process. So while you should be able to update your Android device to Lollipop by following these steps, for most users our recommendation is to just wait for the OTA update to pop up on their phones.
Here's how to manually download Android 5. This installs two programs, ADB, and Fastboot, which can be accessed through the command terminal on your PC, as a part of the software development kit. Enable USB debugging on your device. The easiest way to do this is to hold a key combination while powering up the device.
For Nexus 5, hold the volume up, volume down and power buttons while powering on the device. The full list of key combinations for different devices is here. You can also boot into fastboot mode using the ADB tool: With the device powered on, go to the command terminal and execute the following: adb reboot bootloader. If needed, unlock the device's bootloader through your computer using the command terminal and executing: fastboot oem unlock.
Execute flash-all. This script installs the necessary bootloader, baseband firmware s , and operating system. For this to work, you need to have added the folder where ADB and Fastboot are installed to the system's path as described in step 2. When this is done, Google recommends that you lock the bootloader for security. You can do that by booting the device in fastboot mode while still connected via USB, and using the command terminal to execute: fastboot oem lock.
The images provided in the download link correspond to Nexus devices. Antony Peel. App languages. Author Google. Purnesh Kumar says:. September 4, at am. September 6, at am. June 16, at am.
Nidal Abrar says:. June 27, at am. Alex Devil says:. July 25, at am. July 31, at am. August 8, at pm. September 10, at am. Ranbir Singh says:. September 15, at pm. Jadeja Jayhackex says:. September 17, at am. Puva says:. September 25, at am. Richard McDoanld says:. September 27, at pm. Henry Ly says:. October 16, at pm. October 18, at pm.
Edan Jamieson says:. December 11, at am. December 17, at am. Chimzy Mulekele says:. January 13, at am. Joey says:. March 27, at pm. ToothyGrinn says:. April 24, at pm. DLosVato says:. May 25, at pm. December 21, at am. Guillermo says:. June 18, at am. Vaibhav says:. June 26, at am. Romeo says:. June 28, at am. Hamxa Sajjad says:. August 24, at am. April 26, at am. Due to same considerations, before applying the update, the best will be to save the current ROM that is running on your device.
Thus, by making a Nandroid backup you can do so by using a custom recovery image, such as CWM or TWRP recovery you can save and restore within a minute or less the ROM that you are currently using on your device. Therefore, if CM12 will not be satisfying enough, you will be able to go back to stock Android OS without any other problems. It should be clear that CM12 is in no matter an official Android 5. So, the first thing to take care of is the root access that must be ensured on your Android device.
In that matter you can use our general root tutorial that will work on any Android powered device. Moreover, a custom recovery image must be installed on your phone as CM 12 ROM will be installed through the same. Once more, you can use our dedicated step by step guide for being able to learn how to install CWM recovery on your Android smartphone or tablet.
After taking care of these essential operations you need to prevent bad things from happening. For example, you need to take care of the data that is stored on the internal storage memory of your device. While using a custom recovery image for flashing Android 5. Of course a computer is required because you are about to complete a manual update operation. Moreover your Android phone or tablet and your device USB cable is definitely a must.
On the computer you will use disable all the antivirus and other similar tools because security protection might prevent you from installing CM12 Android 5. When the battery is low, your device might get shut down in the middle of the update process.
Remember to download the proper CM12 package for your Android device mode. As already stated, you can do so from xda-developers official webpage. August 21, January 15, December 29, Is this working for Asus ,zenfone 4. And I want to root my Asus zenfone 4 to stock android so plz tell me the resources from where I could possibly get stock android package. This update is amazing but the bugs though are a bit too overwhelming.
0コメント