A few questions about porting - Android Q&A, Help & Troubleshooting

Hello,
I read alot lately about porting Lollipop (CM 12.1) to my device (Allview V1 Viper which is basically a rebranded Gionee Elife E3) but i have some questions:
1. As far as i understood, there are some problems with CM and Mediatek devices. However i saw some posts with people succeeding to boot CM 12.1 on these devices. Can this be achieved ?
2. If yes, can i use KitKat stock kernel with a Lollipop build ? (my common sense says no, but who knows ?) If no, how can i build a kernel for Lollipop for this device. I saw that Mediatek released kernel source, can that be used ? Also, can i use the drivers from KitKat ? If no, which and where should i get the drivers from ? Can i use any files from KitKat stock rom for a Lollipop port ?
This will clear some things for the beginning.
Thanks in advance

Related

Android porting question fot MT6582

I have a few questions regarding ROM porting
1)If my phone has android 4.4.2 stock rom and i want to port android 5.1.1 for it...is it possible,beacause i have heard that is not possible to port a lower version to a higher version or viceversa
2)if i have a working CM based rom (version 5.1.1) can i port a 6.0 version of android based from that rom?
It is first time when i try to port roms so i am just curious

[request] cm 12.1/13

Hello everyone, I don't know if this is the right subforum to submit this topic so sorry btw
Is it possible that somebody please build a CM for this device (VF-895N)?
My device runs 5.0.2 stock Lollipop, 5.0 screen, rooted, has TWRP recovery 3.0.0.0, SDK21, Linux Kernel 3.10, unlocked bootloader...
The sources of the device were already published by Alcatel and there are already two ROMs for it out there. One is MIUI 7.6(5.1.1 Lollipop) Beta (ported from Moto G 2015 I think) and a full stock ROM without Vodafone apps, rooted and with a few customizations...
Please somebody make CM for this device! I would really appreciate it even if it's an alpha version I don't care! Just do it plz

is there any rom for micromax a311 other than cm

I found that all rom for micromax a311 are cyanogen based... I tried lollipop all cm based based roms have same bug on data and network im fed up with it.. Now using miui 8 .. But it is kitkat i want to try lollipop or above.. Without any data or network problem.. Any suggestion
Hi surjit I think your new to to this thing.The answer is in your question... All Android ROMs greater than or equal to Android 5.0 are based on Cyanogenmod.(ONLY applies to devices with no source codes/mtk) Because we have to take a device specific ROM and convert it into a310/11 specific ROM. As most mtk device's with mtk have only cm's official rom,we take it and port it and all other ports are made out of that ported ROM.you'll find all non cm based ROMs to be below Android 5.0 because they are ported from Micromax's stock ROM. They seem to be pretty bugless. Hit thanks if you understood.
Jaisal Srivastava said:
Hi surjit I think your new to to this thing.The answer is in your question... All Android ROMs greater than or equal to Android 5.0 are based on Cyanogenmod.(ONLY applies to devices with no source codes/mtk) Because we have to take a device specific ROM and convert it into a310/11 specific ROM. As most mtk device's with mtk have only cm's official rom,we take it and port it and all other ports are made out of that ported ROM.you'll find all non cm based ROMs to be below Android 5.0 because they are ported from Micromax's stock ROM. They seem to be pretty bugless. Hit thanks if you understood.
Click to expand...
Click to collapse
Thanks for ur valuable information...
Jaisal Srivastava said:
Hi surjit I think your new to to this thing.The answer is in your question... All Android ROMs greater than or equal to Android 5.0 are based on Cyanogenmod.(ONLY applies to devices with no source codes/mtk) Because we have to take a device specific ROM and convert it into a310/11 specific ROM. As most mtk device's with mtk have only cm's official rom,we take it and port it and all other ports are made out of that ported ROM.you'll find all non cm based ROMs to be below Android 5.0 because they are ported from Micromax's stock ROM. They seem to be pretty bugless. Hit thanks if you understood.
Click to expand...
Click to collapse
Hi Jaisal,
What is the most stable ROM for Micromax Canvas Nitro A310? I installed resurrection remix after trying CM13 & I am issues with BT, Wifi & GPS in the RR ROM.
Cheers,
Rajesh
rmondnet said:
Hi Jaisal,
What is the most stable ROM for Micromax Canvas Nitro A310? I installed resurrection remix after trying CM13 & I am issues with BT, Wifi & GPS in the RR ROM.
Cheers,
Rajesh
Click to expand...
Click to collapse
Hi Rajesh,
I think there is no MM ROM out there which completely stable I mean 2/3G switch for dual sim users is a major bug. Though I never faced any bug with GPS on the RR ROM yeah it was slow to lock down but worked. WiFi is not a bug its like this in MM builds for MTK due to lack of source codes.The Best stable ROM which never gave out issues is RR lollipop vr 2 by bikaram007. I use it as a daily driver.
( The bugs are VPN and YouTube 5 second. Which are solved and have a workaround)
Note if you do not find the YouTube 5 second fix ask me to upload it.
Thumbs up if you liked it.
Regards
Jaisal Srivastava

Porting rom (Need help)

Hi, I need help in porting rom. My device is Lenovo A858(MT6732), Android version 4.4.4 , Kernel 3.10.48. I tried porting Lollipop rom to my device but no success got stuck in bootloop. But when i tried to port 4.4.4 it booted. and the only bug it has is camera. I am trying to port lollipop rom to my device. Some says it's possible to port Lollipop to kitkat. I have seen lollipop kernel versions are 3.10.67. Is that because of my kernel version? I have seen one cm13 rom that it has kernel version of 3.10.48 but different chips(MT6582) Someone guide me thx a lot
Bump
Someone?
thread closed as per OP request
Dan - forum moderator

[Q]How do I port a ROM with an android version NOT made for my phone yet, but it is availible on a very similar device?

So as the Q says.
If you still don't get what I am trying to ask:
Suppose there are two very similar devices one has jellybean for it and the other does not so how do I port that ROM to the other device without a base ROM. AND IF I CAN'T. Then please tell how to build ROM from source to a UNSUPPORTED device.
Thanks in advance
Manav Harsana

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