Update OnePlus One with CM12S Android 5.0.2 Lollipop Official Software Update

CM12S (CyanogenMod 12S) is now finally available for the OnePlus One with Android 5.0.2 Lollipop. This comes after several delays by the CyanogenMod team over certification issues of the firmware. Many of you must have already installed OxygenOS, but the firmware update that everyone has been waiting for has finally arrived now. We have a complete guide on how to install this CM12S Lollipop software update on the OnePlus One. is now finally available for the OnePlus One, bringing the latest Android 5.0.2 Lollipop to this phone. Material Design has been implemented throughout the Cyanogen OS. Moving ahead, you will be able to update OnePlus One to Android 5.0.2 CM12S Lollipop using this complete tutorial. You will need to have a custom recovery e.g. TWRP installed on your OnePlus One. A custom recovery will be needed to install Android 5.0.2 based CM12S ROM zip file, since this is how the OTA file has been retrieved — or you can wait for an update to arrive on your phone in the next few hours or later (may be days!).

If this is your very first time installing a an OTA update manually on this phone, we understand you would want to make sure your installation process go as smooth as possible. So before we actually jump to the installation process of CM12S ROM, let’s take a look below at how to backup all your data. It is better to have a clean installation with no previous data, but since you would want to update from CM11S, please skip out the wipe data steps below in the tutorial. These are the some of the tips given below that we want you to keep in mind and then proceed.

Disclaimer : All the official firmwares, custom ROMs, software updates, themes, mods, tools, apps, or anything provided in our blog belongs to their respective developers. Most of the custom ROMs we are providing here are from XDA Developers. We (iDroid Horizon) or the respective developers are not responsible if any of our tutorial damage or brick your device. However if you follow our instruction properly, we hope it would not bring you in trouble. If you face any problems with our tutorials, please comment below. We are sure that we can bring your device in original position.

Android 5.0.2 CM12S Lollipop ROM Details:

This amazing CM12S custom ROM comes with tons of new features and is based on Android 5.0.2 Lollipop with the all new Material Design. Several new apps have been redesigned and perform a lot faster on this phone.

Also Read: Install Minimalistic OnePlus One Boot Logo And Animation

Like this CM12S ROM based on the latest Android 5.0.2? We love it too and we know you are looking forward to install it on your phone now. Now please read below for important tips on how to make sure your installation goes smooth and you do not end up with any problems.

OnePlus One USB Drivers

You will need to connect your Android phone with the computer. For that, please make sure you have installed the USB drivers for OnePlus One properly. If not, you can download the latest official drivers from our Android USB Drivers section here:
Download OnePlus One USB drivers!

Backup and some important tips

Done with USB Driver? Good. Now here we go for some work that you must do before installing this firmware. Please follow the important points that you need to take care of, as we don’t want anyone losing their personal data or apps:
Backup your all important data and apps because during any installation of a new custom ROM or Official Firmware , your device will be wiped and cleaned with new operating system. Make a backup for just in case, you never know when anything might go wrong. Read below for some important tips on how to backup Android data in a easy process:

• Backup your Android Apps : How to Backup Android Apps.
• Backup your SMS messages : Read How to Backup/Restore SMS Messages.
• Backup Contacts, Gmail and Google Data with Google Sync.
• Backup Call History on Android : How to Backup Call History.
• Backup WhatsApp Messages : How to Backup/Restore WhatsApp Messages on Android.
• Backup APN Settings: GPRS, 3G, MMS Settings. How? Note down everything from: Settings > Wireless & Networks (More…) > Mobile networks > Access Point Names.

Samsung user can also backup data by using Official Sumsang Kies. If you backup data manually, you will get more options for what to choose from. You can also move your data to other Android devices from different manufacturers, i.e moving Samsung Galaxy S5 backup data to Google Nexus 10. If you already have a custom recovery (ClockworkMod, TWRP etc.) installed on your phone, we strongly recommend a backup using that as it creates a complete image of your existing phone set up.

Few more important things that you must remember before installing any custom ROMs or Official Firmwares:

• You might face some problems in connecting your Android device to the computer. How to fix? You need to enable USB debugging mode. See here: How to Enable USB Debugging — for Gingerbread, Ice Cream Sandwich and KitKat.
•  Make sure your Android device is charged up to 80-85% battery level. This might help you: How to Check Battery Percentage.  Why? Because, if your phone goes off suddenly while installing a custom ROM, flashing an official firmware update or installing mods etc. — your phone might get bricked or go dead permanently. No one wants that, right?

• Most of the tutorials and how-to guides on iDroid Horizon are for factory unlocked Android devices. We recommend NOT to try our guides if your device is locked to a carrier, unless we have specified the device model or carrier name.

If you find the above tips useful and they were helpful to you, please consider giving us a +1 or LIKE on facebook to thank us!

Also See: Update OnePlus One to Android 5.0 Lollipop Alpha [Official Firmware]

All set and ready? Good. Now, let’s proceed with the tutorial on the next page and update OnePlus One to Android 5.0.2 CM12S Lollipop custom firmware.

TUTORIAL: How to Install Android 5.0.2 CM12S Lollipop on OnePlus One

We have put together a detailed step-by-step instructions guide on how to install Android 5.0.2 CM12S Lollipop custom firmware on OnePlus One. If you are used to installing custom ROMs on your One, then this should not be any different for you.
As we mentioned earlier, you need to have a custom recovery installed on your phone. Please do that first and then get back to this tutorial. And before you proceed below, make sure you read the tutorial once before actually performing it on your Android device.

Warning :

• This tutorial is only for installing Cyanogen OS 12 software update on OnePlus One.
• Your phone should have a custom recovery installed.
• This tutorial will wipe out all your data. Make sure you backup all your data in your phone before proceeding. If you do not want to wipe any data, skip step 6.
• Good luck!

Entire Step-By-Step procedure:

Step 1 - Download Android 5.0.2 CM12S ROM for One to your computer.

Step 2 - Connect and mount your One USB memory to your computer using the USB cable.

Step 3 - Now copy/paste the downloaded CM12S ROM zip file to your phone memory / SD card. Make sure the file is in the phone memory / SD card root (not in any folder).

Step 4 - Then turn OFF your phone and disconnect from the USB cable.

Step 5 - Now to get in the Recovery Mode. Switch ON the phone while pressing and holding Volume Down + Power buttons together.

Step 6 - Once you are in TWRP Recovery, perform a full data wipe by tapping on the ‘Wipe’ button. Then swipe on the “Swipe to Factory Reset” option at the bottom.

Step 7 - Now go back to the main menu and then tap on the ‘Install’ button. From the list, choose the ZIP file that you copied to your phone memory in Step 3.

Step 8 - Confirm installation on the next screen by swiping on the “Swipe to Confirm Flash” option. 

Step 9 - Once the installation is completed, you can reboot your phone by selecting the “Reboot System” button.

Your One will boot now and it might take about 5 minutes to boot on your first time. So, please wait.

That’s it! Your OnePlus One should now have Android 5.0.2 CM12S Lollipop official software update installed on your phone! Go to Settings > About phone to verify.

If you run into any problems, feel free to drop us a comment below and we will reply you back ASAP with the fix or the solution to your problem.

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Install Minimalistic OnePlus One Boot Logo And Animation

It was really fascinated with the clean front look the OnePlus One had and decided that when the phone booted up, it had to compliment the sleek, black screen with less disturbances such as the white OnePlus logo and the "Powered by Android" when it first boots up. It was also really amazing how CM incorporated the boot logo with the boot animation that made it seemlessly transition to the uncurling of the OnePlus logo.

However, it is not into that kinda thing. If you like the phone to feel professional, with a minimalistic looks in all aspects, XDA designed their boot sequence look, including the logo.bin and the theme apk.

This boot layout is really a hit or miss. If you're not into it after a while just reflash stock logo.img and disable this theme.

What This Pack Includes:

• Splash Screen Replacement (Overwrites Red/White OnePlus logo with "Powered by Android")
• Fastboot Logo
• Boot Animation (Selectable in Theme Engine)

Also Read: Update OnePlus One to Android 5.0 Lollipop Alpha [Official Firmware]

GIF files don't play the full frames per second as intended. Use the GIF below as a reference to how the animation appears, however it cannot compare to the actual speed of the boot animation when it is played on the device.

Requirements:

• Unlocked Bootloader (For Splash Screen replacement and Fastboot logo).
• ROM with CM11 Theme Engine (For Boot Animation).
• Fastboot installed on your computer. ( See: 15 seconds ADB, Fastboot and Driver Installer)

Installation of Boot Animation

• Download the app from a Play Store link below.
• Go to CM11's Theme Engine (On Mahdi it's called "Themes") in Settings then click on "Boot animations"
• Scroll down to "one" then tick "Boot Animation", then click Update.

Installation Of Boot Logo/Splash Screen

• Reboot your phone into Fastboot mode (When fully turned off, hold down VOLUME UP + POWER until you see "Fastboot mode")
• Place "logo.bin" into your fastboot folder (FOUND ON THE PLAY STORE LINK DESCRIPTION!)
• In the fastboot folder, press Shift + Right click on a blank area. Click on "Open command window here"
• Type fastboot flash LOGO logo.bin and press enter. After complete type in fastboot reboot .

Downloads:

Open up the description on the Play Store links to get the latest logo.bin files!

• One: https://play.google.com/store/apps/details?id=com.chummy.jezebel.one
• Oneplus: https://play.google.com/store/apps/details?id=com.chummy.jezebel.oneplus
• Android: https://play.google.com/store/apps/details?id=com.chummy.jezebel.android
• Oneplus (red ver + fade): https://play.google.com/store/apps/details?id=com.chummy.jezebel.oneplusred
• Oneplus (red ver + no fade): https://play.google.com/store/apps/details?id=com.chummy.jezebel.oneplusrednf

Download the Boot Animation Zip File from here: AndroidFileHost Link

NOTE: Remember to set permissions!

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Update OnePlus One to Android 5.0 Lollipop Alpha [Official Firmware]

Recently, OnePlus Company asked you to name their ROM. They beyond excited about the response and the sheer number of entries they received. With so many of you on board, OnePlus Company know that they are well on their way to creating the next great ROM in the Android community.

This is the first step in what will become their own custom ROM. It’s so early, in fact, that this build contains no extras beyond the stock features of AOSP Lollipop. It’s the base that they will continue to build upon, improve, and customize as OnePlus stabilize core functionalities on the latest firmware updates.

As OnePlus look towards the official ROM release in the near future, OnePlus will keep to their promise and deliver an experience that is customizable, yet bloat-free with stock Android like simplicity by default; OnePlus wouldn’t ask you to settle for anything less. In the meantime, OnePlus thought you’d appreciate an early community preview and a progress report.

Please be sure to read and follow all of the instructions carefully before installing! While flashing custom ROMS is covered by warranty, any issues that result from doing so are not. Proceed at your own risk.

Step-by-Step Instruction:

Since this is an alpha build with limited testing, please proceed with extreme caution and backup your phone before flashing this build.

You will need to have TWRP recovery installed on your device. If you don’t have it, please follow the instructions on the site to flash recovery onto your device.

The experience is best when you have GMS (Google Mobile Services) installed. If you have GApps package, you can install it after you flash the ROM to have access to all the google services.

Also See: Install Minimalistic OnePlus One Boot Logo And Animation

This build does not have a built-in recovery so if you do a clean wipe, you may have to reflash TWRP onto your device.

Step 1: Download Oneplus_community.zip and copy the file to your phone. On a Mac, you can use Android File Transfer. If you have TWRP installed, you should see a TWRP folder, and that’s where you want to place the zip.

Step 2: Boot into TWRP recovery. You can do this on your OPO by holding both the volume down and power buttons.

Step 3: Once you are in the recovery interface, the first thing you want to do is go to Wipe and do a factory reset to clean your data, cache, and Dalvik. Note that you will lose all of your files so make sure everything is backed up before continuing.

Step 4: After the wipe, go to install and find the zip you copied to your device and confirm flash. This should flash the ROM to your device.

Step 5: After flash is complete. Clear your cache again. If you have GApps, install it now. Reboot your phone.

Step 6: You should now be booted into the new ROM.

That’s it! Your OnePlus One should now have Android 5.0 Lollipop Alpha Official Firmware installed on your phone!

Notes: [General]

Known issues -

• Data roaming is on by default. Make sure to turn if off to avoid potential charges.
• As always, flashing a custom ROM incurs the risk of bricking your phone. Make sure you know what you’re doing and backup everything.
• Camera and video may be unstable. This build supports 4k video, however quality may be low as we are still fine-tuning the camera.
• Capacitive keys do not turn off when you enable software keys.
• Clock crashes periodically.
• If using the new app pinning feature in L, make sure to turn on the software keys first. Otherwise, you will have to reboot your machine.
• On first boot, startup time will be a bit slow. Rest assured we will speed things up in the future.
• Wi-Fi may be unstable.
• This build is not eligible for OTA updates.

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