Is your Jolla Phone in boot loop? Your Hacking failed? Do you want to reset your phone? Then we can help you!!!

Connect to Recovery

Connect to the recovery to install a RNDIS driver and telnet. According to JollaFR they only tested the instructions under Linux, but they also found methods for Windows and Mac

Windows

1. Install telnet

A. In the Control Panel, go to Programs , and select enable and disable Windows features .

B. Tick ​​all related Telnet

2. Connect the phone RNDIS

A. Press the lower button and the start button Jolla, and connect the USB to your computer.

B. Install the RNDIS driver. The guide follows (in English) will help you.

3. In the command line, type telnet .

4. In the window that opens, enter o 10.42.66.66 to log into the recovery mode for Jolla

Mac

  1. Press the lower button and the start button Jolla, and connect the USB to your computer.
  2. In the command line, type telnet .
  3. In the window that opens, enter o 10.42.66.66 to log into the recovery mode Jolla.

Linux

  1. Press the lower button and the start button Jolla, and connect the USB to your computer.
  2. In the command line, enter sudo ifup ethX . ethX is the name of the virtual network interface Jolla.
  3. Log on to the Jolla recovery mode via telnet 10.42.66.66 .

You should arrive on the following interface

Jolla Recovery v0.2

Welcome to the recovery tool!

The available options are:

1) Reset phone to factory settings 
2) Reboot phone 
3) Bootloader unlock [Current state: Locked] 
4) Shell 
5) Try btrfs recovery if your device is in bootloop 
6) Exit

From here you are able to do what you want.

Reboot loop

If your Jolla is in reboot loop, Its only displaying Jolla logo, black screen, re-logo Jolla etc., You can try to repair the btrfs file. Select 5 and restart your phone.

Hack failed

If you attempted hacks on your Jolla and your Jolla no longer restarts? Know that you can easily repair your hack. Go to the shell by selecting 4 .

Then, mount the file system

mkdir / mnt / rootfs 
mkdir / mnt / sd 
mount / dev/mmcblk0p28 / mnt / rootfs 
mount / dev/mmcblk1p1 / mnt / sd

Then get in chroot directly to your Jolla

chroot / mnt / rootfs

And here, you can do the operations you want, such as restoring backups.

Source: JollaFr