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Home / How To / Lenovo Zuk Z1 Android 5.1.1 Lollipop Update

Lenovo Zuk Z1 Android 5.1.1 Lollipop Update

Lenovo Original Zuk Z1 Android 5.1.1 Lollipop

This Post is useful for these Problems:-

  1. To Upgrade Lenovo Zuk Z1 Android 5.1…
  2. In case of Forgotten pattern lock on Lenovo Zuk Z1 And want to Hard Reset.
  3. Back to Stock rom From Custom Rom.
  4. Possibility to solve bootloop Lenovo Zuk Z1.
  5. You can flash this rom Lenovo Zuk Z1  sudden death, bricked, not power and imie fix.

How To Flash Lenovo Zuk Z1 Android 5.1:-

Download and Install Spreadtrum USB Driver on your Computer.

Download Stock Rom (.pac) for Lenovo Zuk Z1 Android 5.1 Lollipop (Download Pass Form Here)

Download and extract Spreadtrum Upgrade Tool on your computer. After extracting, you will be able to see the following files:


Now, open UpgradeDownload.exe.


connect your Android device to the computer (make sure your device is switch off).


Once your Smartphone is connected successfully to the computer, click on the Load Packed Button and add the .pac file (stock rom which comes as .pac).


Once you have successfully added the .Pac file in Spreadtrum Upgrade Tool, click on the Start Downloadingbutton to begin the flashing.


During the flashing process your device will restart automatically. Once flashing is completed, you will be able to see the Green Passed Message in Spreadtrum Upgrade Tool.



Now you have successfully flashed your Android Device using Spreadtrum Upgrade Tool. Once your Android Device is successfully restarted, Go to Settings > About Phone > Check firmware.

Firmware File Is Password Protected Please Download Password From Here:-

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One comment

  1. hey the stock rom is not in pac format and in qsb format..pls help

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