If y'all abide by whatever software malfunctions alongside your Lenovo Z1 android device, you're almost probable required to download together with flash stock ROM firmware on your Z1 to permanently right the software errors y'all noticed on your Lenovo Z1. And when y'all charge stock firmware on your Lenovo Z1 using whatever Qualcomm flash tool, your Lenovo Z1 volition hold out reset to manufacturing works life defaults settings together with past times that, definately, your UserData volition hold out lost including contacts, messages together with others.
If your device has been bricked together with desire to unbrick it, y'all volition involve to pay closer attending to the tutorials contained below here.
Lenovo Z1 Stock ROM Firmware Download Link(s)
1. Lenovo Z1 (Q4275709.1 L ZUI 0.9.084 ST 150729) Stock ROM
How to Flash Stock Firmware On Lenovo Z1
1. Download your Lenovo Z1 stock ROM firmware from the link above.
2. Extract the Lenovo Z1 Firmware y'all downloaded from the link higher upwards onto a folder on your PC.
3. Download together with install Qualcomm android device drivers on your PC. You may skip this measuring if y'all accept installed Qualcomm drivers on your PC already otherwise, download Qualcomm drivers here
4. Now, select either of the tools listed below hither to charge the stock firmware on your Lenovo Z1.
Note
1. Each of the tools listed higher upwards contained measuring past times measuring guides alongside illustrated pictures on how to flash stock firmware on your Lenovo Z1.
2. If your device is bricked already, I recommend that y'all usage Tool Studio eMMC Download Tool or QPST QFIL.
3. If y'all require whatever farther assistance, exactly drib your comment detailing the issue(s) together with I shall aid y'all revive your Lenovo Z1, if involve be.