Walton Primo H3 Firmware, Flash Tool, Driver & Upgrade Instruction

Primo H3 4.4.2 Driver, flashtools & firmware (Bugfixed) 

Download Link: H3_4.4.2_2

  Primo H3 4.4.2 Firmware (Bugfixed Version) upgrade instruction 1. Install driver. 1st step: Power Off the phone and Connect your phone with PC via USB cable. Now go to My Computer>Manage> Other devices> MT65xx Preloader
2nd step: A window will appear like below and select Browse my computer for driver software
3rd step: To select driver go to driver folder> USB VCOM Driver> Win7

4th step: Windows security window will appear. Select Install this driver software anyway
5th step: Wait until Windows has successfully updated your driver software
6th step: Now go to Driver Folder> Open MS_USB_ComPort_Driver_exe_v1.1032.1 > Install Driver
2. Open Flash Tool

3. Open Download Agent and select MTK_AllinOne_DA

4. Open scatter_loading and select scatter file from software

5. Click Firmware->Upgrade and connect USB cable with mobile (mobile must be off)
6. Then start downloading..
7. When it shows Firmware Upgrade , then installation is completed.