Image Image Image Image Image Image Image Image Image Image

Best Tech Reviews | March 28, 2017

Scroll to top

Top

No Comments

Official CyanogenMod 12.1 nightly Android 5.1.1 Lollipop Custom ROM for Sony Xperia Z1 |

Haroon Aejaz

Install Official CyanogenMod 12.1 nightly Android 5.1.1 Lollipop Custom ROM for Sony Xperia Z1 . This ROM ( Official CyanogenMod 12.1 nightly Android 5.1.1 Lollipop Custom ) has specifically developed for Sony Xperia Z1 not to mention its credit would go to . We took this ROM from and in this article we are going to present you with a comprehensive step-by-step guide on how you can install / Flash Official CyanogenMod 12.1 nightly Android 5.1.1 Lollipop Custom ROM on Sony Xperia Z1 .
If you would like even more information relevant to the ROM, Root and firmware then check out our following pages.

Related Articles Dated
SlimX Extreme Debloat Android 6.0.1 Marshmallow ROM for Sony Xperia Z5June 16, 2016
Unofficial CM-Based crDroid Android 6.0.1 Marshmallow ROM for Sony Xperia LMay 1, 2016
Official Android 6.0.1 Marshmallow ROM for Sony Xperia Z3, Xperia Z3 Compact, Xperia Z2April 12, 2016
CyanogenMod CM13 Android 6.0.1 Marshmallow Custom ROM for Sony Xperia ZJanuary 22, 2016

Coming back to the Rom, here is the features of Official CyanogenMod 12.1 nightly Android 5.1.1 Lollipop Custom

Features of Rom

 

Warning No. 1

  • This is a warning from Best-Tech-Reviews.com that this Guide / Tutorial is only applicable for Sony Xperia Z1 . Be careful not to try this guide on any other Android device, it does work only with Sony Xperia Z1 .
  • First, you have to verify your device model (Sony Xperia Z1) number Under: Settings » About (there you see device name).
  • And also note that we are not responsible for any damage caused due to the instruction given in this page.
  • Try this at your own risk. If you follow our instructions as it is, which is stated below, it is very unlikely that your device will be damaged
  • Above of all your Smartphone must be factory unlocked / Rooted.
  • Use Nandroid backup, which basically will take an image of your current system. That way, if something goes wrong, you can restore your phone to exactly the way it was before. (Tutorial Link)

 

As we mentioned in above, before installing Rom on your Sony Xperia Z1 you have to take back-up.
For this purpose we have made a tutorial on how you can take complete backup of Sony Xperia Z1. Please follow the guide carefully to be able to restore Sony Xperia Z1 to current system when needed.
This really is an essential step before doing anything to your Sony Xperia Z1

Pre-requirements

 

How to take Complete backup of Sony Xperia Z1

So now moving toward backup of Sony Xperia Z1 . Here is the list, which is necessary to take backup

  • Backup all the SMS and SMS Logs, contacts and Calls Logs. – Click here to see how to do this step
  • Backup Whatsapp and Viber Messages and call logs. – Click here to see how to do this step
  • Backup your Game Data.
  • Images, Songs, Videos, Files – Copy to Internal/External SD card.
  • APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”
  • Backup your Apps and their Data Files via app Download from Play Store

Warning No.2

Before going to Flash Rom on Sony Xperia Z1 , we want to inform you that you need to Root your device first and this step will Void your handset’s warranty. However, there are certain steps to unroot and install the official firmware on it.

 

Unlock Bootloader of Sony Xperia Z1 and Flash a Custom Recovery

Before going Flash Official CyanogenMod 12.1 nightly Android 5.1.1 Lollipop Custom on your “.Sony.” “.Xperia Z1.” you do not actually need to root your phone to flash a ROM.  You just need to unlock bootloader of Sony Xperia Z1 and flash a custom recovery.
However, this likely to root your phone. Therefore rooting the Sony Xperia Z1 is exactly what you are going to do first. Unfortunately, we cannot go through this step in detail here, for this purpose you need to go to our Rooting section.
NOTE: Unlocking your bootloader will most likely wipe your Sony Xperia Z1, and without root access, you won’t be able to backup system. So, it is better to save anything you want to keep on your computer
We will recommend you to search on XDA that how to unlock the bootloader of your Sony Xperia Z1. Because every model has its own way to unlock bootloader.
After unlocking bootloader, we will use Nandroid to take backup of Sony Xperia Z1. What Nandroid do is, it will take an image of your current system. Which help to restore your device, as before it was. This will save you a lot of hassle if something goes wrong.
To do this:
Step 1: Reboot your Sony Xperia Z1 and enter recovery mode. This is a bit different on every device, but usually  you can reboot by pressing the power and volume buttons at the same time.

Step 2: Go to “Backup” or “Nandroid” section of your recovery mode. The default settings should be fine, you don’t need to do anything with default settings.

Step 3: Take the backup from here and re-name it, it will help you to remember. Confirm your backup setting and let it run.

Step 4: Wait for the backup to finish. This may take 6-10 mints.
We will  also recommend you to take the second type of backup: your apps and settings.  For this try Titanium Backup.

 

Note that you will need to root, to use Titanium Backup.

So, Now you are planning to wipe your data and cache, Right? There are some points to read:

  • If you are flashing a brand new ROM ( Official CyanogenMod 12.1 nightly Android 5.1.1 Lollipop Custom), you definitely need to wipe data and cache. This may perform a factory reset on Sony Xperia Z1 therefore you will lose all the data.
  • If you are flashing a fresh version of identical Rom you are already running, we would suggest Only To WIPE CACHE. It is going to save all your apps and settings.
  • Remember, for those who have already taken a backup, then there is absolutely no issue in factory reset, wiping data or the cache. It is possible to restore it anytime.
  • When you only wipe your cache, usually particular apps might face issue. You will need to wipe data and the cache both of them to fix everything.

 

Download Section

Download Google Apps (Gapps)

Download Now Official CyanogenMod 12.1 nightly ROM for Sony Xperia Z1

How to Flash a ROM to Your Sony Xperia Z1

Now comes the actual part. After downloading Official CyanogenMod 12.1 nightly Android 5.1.1 Lollipop Custom save it on your phone. It should come in the form of a fairly large ZIP file, so you’ll probably want to be on Wi-Fi to download direct to phone.
To flash the ROM :

Step 1: Reboot the phone into Recovery mode, similar to we performed back when we created our Nandroid backup.
Step 2: Go to the “Install” or “Install ZIP from SD Card” section of your recovery.
Navigate to the ZIP file you saved earlier (Official CyanogenMod 12.1 nightly Android 5.1.1 Lollipop Custom ), and then choose it from the list to flash it.
Step 3: Wait for the process to finish, it might take a couple of minutes.
In TWRP, you will locate this under the “Wipe” section.
And in ClockworkMod, you will to either choose the “Wipe Data/Factory Reset” option or the “Wipe Cache Partition” option .

 

When you are done, you are free to reboot into your new ROM ( Official CyanogenMod 12.1 nightly Android 5.1.1 Lollipop Custom ).

Download and Flash Google Apps

As you know that Google’s apps are not open source, that’s why custom ROMs can’t bundle Google’s apps like Gmail, Hangouts, or the Play Store with their ROMs.
Which means you will have to Flash Google Apps separately.You simply need to download Gapps File, Link given in the Download section of this article and it is similar to what we did  in flashing ROM (Step 1). But choose the Gapps file.
Gapps Manager is also an excellent app that’ll allow you to find the proper package in case you are stuck, you can download the APK from XDA Developer.

Once you’ve flashed the latest Google Apps package, then it is done. You can also restore all your apps from the backup you have taken from Titanium app. If you have any question, please comment below

 

Device Name Dated Region PDA OS version
CyanogenMod-based LineageOS Android 7.1.1 Nougat Custom ROM for Motorola Moto XJanuary 26, 2017Worldwide7.1.1 Nougat Custom
Resurrection Remix Android 7.1.1 Nougat Custom ROM for Google Nexus 5January 25, 2017Worldwide7.1.1 Nougat Custom
Official Android 7.x Nougat ROM for Galaxy S7 Edge G935FJanuary 24, 2017Worldwide7.x Nougat
CyanogenMod 14.1 Android 7.1 Nougat ROM for Xiaomi Mi 4November 15, 2016Worldwide7.1 Nougat
CyanogenMod 14.1 Android 7.1 Nougat ROM for Xiaomi Mi 3WNovember 15, 2016Worldwide7.1 Nougat
Pure Nexus Android 7.0 Nougat ROM for OnePlus OneOctober 17, 2016Worldwide7.0 Nougat
Unofficial CyanogenMod 14.0 Nightlies Android 7.0 Nougat ROM for Nexus 6POctober 13, 2016Worldwide7.0 Nougat
Unofficial CyanogenMod 14.0 Nightlies Android 7.0 Nougat ROM for Galaxy Tab S2October 13, 2016Worldwide7.0 Nougat
Unofficial CyanogenMod 14.0 Nightlies Android 7.0 Nougat ROM for OnePlus XOctober 11, 2016Worldwide7.0 Nougat
Unofficial CyanogenMod 14.0 Nightlies Android 7.0 Nougat ROM for Motorola Moto G 4GOctober 11, 2016Worldwide7.0 Nougat

Looking for more? Yeah you can visit our Rooting file directory or Firmware File directory and Google Gapps.

 

 

Source —

(185)

Share the joy
  •  
  •  
  •  
  •  
  •  
  •  
  •  

Submit a Comment

Time limit is exhausted. Please reload the CAPTCHA.