Requirement for Upgrading:
- Any ICS Baseband (591379_8376_WCDMA_V000003 Recommended).
- At least 200 MB System Partition.
- Custom CWM Recovery Installed.
Software Download And Processing (Upgrade Process/steps for smartphone):
This process will guide you through installation process of CM 10 ROM. In the CWM (Clock work MOD) recovery use Volume up and Volume down button of your phone to navigate and Power button to select.
- Download cm10-primo(www.sarkarzone.com).zip (update_cm10_w619_592zn_0_3_5.zip) and place it on the root of the SD-card.
- Now Reboot to Recovery. Means Power off the phone and then press and hold Volume up and Power button till the Red screen comes.
- Select Wipe Data/Factory Reset then select Yes.
- Now select Install zip from SDcard then select Choose zip from SDcard and choose cm10-primo(www.sarkarzone.com). Afte that select Yes.
- No more steps needed for Walton Primo and Karbonn A5 users. So After successful installation of the ROM select Reboot from the main menu and enjoy.
- But Wait...Symphony W25 and Karbonn A7 users.Download this Boot image flasher and repeat step 3. But this time choose cm10-a7-w25-boot.zip. That's all.
Screenshot
Personally when I upgraded my Walton Primo the only unbearable problem I fetched is 'All the lights of the KeyPad never turns off'. So for this circumstance battery consumes a little bit faster And the bad news is I didn't got any solution for this.
Of course as none of the Jelly Bean ROMs of Walton Primo, Karbonn A5, A7 and Symphony W25 has support for video camera. But Still you can capture images. I was never been able to Record a video with my Jelly Bean upgraded phone.
And the another problem that bothered me is 'The built-in Portable Hotspot doesn't work' while there is no problem when you get connected with other Hotspots. But if you use some sort of good WiFi tether 3rd party software then it'll work.
Sometimes the system apps loses their user data. Let's say if you change the bluetooth's name then it will work. But if you turn the bluetooth off and turn it on again or you restart your phone then you'll see the changed bluetooth name reverted back to default.
Of course I am not responsible for your fault. If your phone got bricked following this article then it's your responsibility. Who told you to follow this article if you don't know what you're doing? But don't you worry. If it gets bricked then Just leave a comment below with your phone model. I will try to give you the link of a another fresh ROM (Which can revive your bricked Android phone).
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