How to Flash Karbonn A1+ With Upgrade Download Tool - A Complete Procedure

Here is the complete tutorial to flash karbonn a1+ mobile phone using Upgrade Download Tool. In this topic you will able to know the flashing procedure of karbonn a1+ and the CFT Calibrate & IMIE Issue of the phone and also know how to create a modified USB cable for the Karbonn A1+.

Firmware and Tools To Download

  • A1 Plus_Download Tool_Latest
  • PZ286FM_KMOEB_karbonn_A1_FOREIGN_V2.0.8
  • A1 PLUS-IMEI & CFT Issue
These Karbonn A1+ Tools and Firmware can be download from moulnisky website, so first download these files and extract using unzip software then follow the steps below to flash the phone.


1) How to Flash Karbonn A1+ Using Upgrade Download Tool?


  • Open Upgrade Download Tool
  • Choose the PAC File (Load Packet -->PZ286FM_KMOEB_karbonn_A1_FOREIGN_V2.0.8_usr_r12726.tar.gz.pac File)
  • Then choose the HWInfoImg (XYL_XYL635143-1B_ILI9487_35_CMO_KMOEB_PZ286_DZTX_HW_info)
  • Connect the Karbonn A1+ to Computer with Modified USB Cable
  • Then Click on Start Downloading

karbonn k1+ Flash With Upgrade Download Tool

After flash success switch On the phone, you will get some error message on screen i.e. No IMEI and CFT Not Calibrate, don't worry about this see the below step to solve this.

2) Karbonn A1 PLUS IMEI & CFT Issue

  • Open The Folder A1 PLUS-IMEI&CFT Issue
  • Then Open FactoryDownload.exe
  • Just Click on Ok on Download Settings
  • Connect the phone to PC
  • Click Start Downloading
  • Wait till you see Passed

Karbonn A1+ CFT Not Calibrate/No IMEI Issue Solved


Karbonn A1+ IMEI Solution

  • Switch on the phone
  • Connect with Normal Micro USB Cable 
  • Set the COM Port and Click on Write
Karbonn A1 Plus IMEI Solution



How to Create Modified USB Cable For Karbonn A1+?

Take a Nokia CA-101 USB Cable
Pin - 1= VCC
Pin -2= D-
Pin -3 = D+
Pin -4 = Empty
Pin -5 = GND

Just Joint the Pin 4 and 5 to Create the Android Modified Cable

(Sold one wire with Black color wire PIN-5 and another wire to the empty PIN then short the both wire)

Modified USB Cable For Karbonn A1 Plus and all other Feature-phones & Smartphones

This Cable is useful for Feature Phone and Android Smartphones

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