in this post, we share oficial link to download OTTO F3s firmware rom (stockrom).
Firmware comes in a zip (or rar) package, wich contains flash file, flash tool, driver and tutorials manual
- Model: OTTO F3s
- Os : Android 5.1
- Gapps include: No Rooted
- Language support: Multilang
Download OTTO F3s Firmware | Official Stock ROM | latest Flash File:
Pass file: https://firmware247.com
- Version: OTTO F3s – 5.1_MT6580_l18v20_txd_s4_f3s_qc_en_qhd_v01
- File size: 707MB
This Rom help full for: Device screen only shows logo after boot, device reboots, device is hanging, device runs slow, device not working properly, Or you want to back Update your device, … and more.
Howto Flash OTTO F3s Stock ROM:
Step 1: Download and extract the OTTO F3s stock firmware on your PC.
Step 2: after extracting, you will get the firmware file.
Step 3: Download and Install USB Driver for OTTO F3s smartphone on your PC ( skip if driver are already installed ) before flash.
Step 4: Follow the guide to flash stock firmware on your device below:
* Download the correct firmware version for your OTTO F3s Device.
* Do not try to use Rom to another machine
* Backup all data Means, Create A Copy files of Contacts, Image, Video, Music and All Other Your Personal Document.
When the run flashing process the Flash tool of erases the data before start the flashing.
* The firmware shared on this post is official released by the company and helps you to recovery your device.
- If code-protected machines, limit the full flash.
P/S : If you’re happy, share this site on social networks or another forums. Thanks