Release Note: 1> Update OS from 4.2.1 to 4.2.2 2> Minor bug fixing 3> More battery stand by time 4> Overall performance is more smooth, faster than previous 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
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_uS22OXkBK1xN-s-Db-Sa_VClNLPaJim9u5fi2G_-fSH4Z-YhFHIQ8HDZW5AyvpbB381Fqmexe1UdxJT6wMeMRfjA=s0-d)
2nd step: A window will appear like below and select Browse my computer for driver software
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_v_3E4rLn4M8EuCHPBGbPbRI_c7YCVM-_Q5Cf2R_7LskQZpPRsctU3c7BfDEu-h1PipUsAyaVexHfcgePe6DHi9tA=s0-d)
3rd step: To select driver go to driver folder> USB VCOM Driver> Win7
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_vBNKQULy7GRxMeis_NB-i8dj3MAWzaj4qKJaKDYqljP3wd1bmSXeICOQ91p8tWDbtO0FkKCZo7kRxmgpQCSQprlA=s0-d)
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 ![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_uaGT8fw2L2h9EPl8TvexW6FFtSbbZ4STTI-TfC__OM1mCTum_2_zruXoGspex3vQ1chOBB_k5QFyIL_pkT-KiJew=s0-d)
3.Open Download Agent and select MTK_AllinOne_DA
4. Open scatter_loading and select SW---> Software-> Primo_H2_V4.3_2013-05-29 MT6589_Android_scatter_emmc.txt![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_vDnvK5dNLrDCThjsLr25SdpN6luvXYdXwC664L3-y5WL0-ISW7rJpgTSPyH_opufRDeZa6inscS5X5YOeQeVek=s0-d)
5. Click Download and connect USB with mobile (without battery)
6.When it shows Download ok in green, the installation is completed.![http://feedburner.google.com/fb/a/mailverify?uri=mobilerepairinginstitute/HdDc](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_ufIwQi5mpWkvewl8J_FDlHttnP8Xq8R4CZtYFn91AlsPc6QvfojKlKevJhuKPBnf2SM1iJT38lhFELDCjKUOZrRw=s0-d)
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
3.Open Download Agent and select MTK_AllinOne_DA
4. Open scatter_loading and select SW---> Software-> Primo_H2_V4.3_2013-05-29 MT6589_Android_scatter_emmc.txt
5. Click Download and connect USB with mobile (without battery)
6.When it shows Download ok in green, the installation is completed.
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