[TUTORIAL] PORTING LOLLIPOP BASED ROM'S

After Long Time A New Post In Blog Which Is Awaited Post Directly To The Point Here Is Guide For Porting Lollipop Based Rom(Except Cyanogenmod)

Requirements:

1. Your Stock Rom
2. Port Rom (Which You Can To Port)
3. Notepad++(If Any Editing Needed)
4. A Working PC with windows OS Installed
5. Brain

NOTE: Take Backup Of All Your Setup By Recovery And Don't Point Your Finger On Me Are Blog Are Any Dev 

Here I Am Just Posting The Method I Know And Booted Many Rom's Almost Bugless

1. Open Stock Rom Folder In New And Also Port Rom Folder In One More New Tab(Side-By-Side)

2. Replace Boot.img From Stock To Port Rom Folder

3. Open System Folder in Both Stock And Also Port Rom Folder

4. Open Folder System/bin Replace pq & vold From Stock To Port Rom

5. Open Folder System/etc Replace Wifi,Bluetooth,Firmwares From Stock To Port Rom

6. Open Folder System/lib Replace egl & hw Folder From Stock To Port Rom

7. Open Folder System/lib Replace Following From Stock To Port Rom

• All Lib Starting With "libaudio"
• libcamalgo.so
• libcamdrv.so
• libcameracustom.so
• libsensorservices.so
• libsync.so
• libvcodecdrv.so 

 8. Open Folder System Replace Vendor From Stock To Port Rom

9. user file 
system/usr/keylayout/generic.kl

9. Open System/build.prop Compare Following With Stock To Port Rom If Any Changes Required Change Them
ro.sf.lcd_density=200
ro.product.model=Lava iris x1 grand
ro.product.brand=Lava
ro.product.name=Lava
ro.product.board=Lava iris x1 grand
ro.product.locale.language=en
ro.product.locale.region=US
ro.sf.hwrotation=0

• 
  

10. Now Open Meta-Inf And Navigate To com/google/android/updater-script and edit mounting points according to your Device

11. Congo You Ported A Rom ,Now Compress Port Rom In A Zip Flash And Enjoy

Stuck on bootlogo or black screen comes after boot logo = replace libMali.so from any working rom for ur device.

Location - system/lib

Screen upside down = open build.prop of ur port rom with notepad++ find this line ro.sf.hwrotation=180 and change 180 to 0 , if it is already 0 then change it to 180. 

If u will find more bugs then i m here to help u..

Download file for lava iris x1 grand

Now zip the rom and flash the rom!!!

Bug Fixing:

Just replace it from Stock ROM to your Custom ROMs.

Bootloop when porting:
/system/lib/libandroid_runtime.so
/system/lib/libandroid_servers.so
/system/lib/libmedia_jni.so
*Repack boot.image

Showing black screen after logo:
\system/lib/libMali.so

RadioFM :
\system\bin\fmradio
\system\etc\firmware\mt6620_patch_e3_hdr.bin
\system\etc\firmware\mt6620_patch_e6_hdr.bin
\system\etc\firmware\WMT.CFG
\system\lib\modules\mtk_fm_drv.ko
\system\lib\libfmcust.so

Sensors :
/system/bin/akmd*
/system/lib/libsensors.so
/system/lib/libms3c_yamaha.so
/system/etc/firmware (folder)
/system/bin/servicemanager

Bluetooth\Wifi not turning On\Off :
\system\lib\module\mtk_stp_wmt

Bluetooth :
/system/bin/bd_prov
/system/bin/uim*
/system/bin/hcid
/system/bin/bluetooth*
/system/bin/hciattach
/system/bin/sdptool
/system/xbin/hciconfig
/system/bin/brcm_patchram_plus
/system/lib/libbluetooth_mtk.so
/system/lib/libbluetoothem_mtk.so

Wifi :
/system/bin/netcfg
/system/bin/dhcpcd
/system/bin/ifconfig
/system/bin/hostap
/system/bin/hostapd
/system/bin/hostapd_bin
/system/bin/pcscd
/system/bin/wlan*
/system/bin/wpa*
/system/bin/netd -> Fix wifi hotspot
/system/lib/libhardwarelegacy.so -> Fix wifi /system/lib/modules/mtk_stp_wmt.ko/system/lib/modules/mtk_wmt_wifi.ko
/system/etc/wifi (folder)
/system/etc/firmware (folder)

Camera :
system/lib/libfeatureio.so – camera not working
/system/etc/media_profiles.xml
/system/lib/libcamera.so
/system/lib/liboemcamera.so
\system\lib\hw\camera.default.so
\system\lib\libcamera_client.so
\system\lib\libcameracustom.so
\system\lib\libcamer aprofile.so
\system\lib\libcameraservice.so
\system\lib\libmhal.so
\system\lib\libmhalcontent.s o
\system\lib\libmhaldrv.so
\system\lib\libmhalmdp.so
\system\lib\libmhalpipe.so
\system\lib\libmhalscenario.so
\system\lib\libmhalutility.so
\system\etc\permission\android.hardware.camera.fro nt.xml
\system\lib\libOmx*.so -fix camcoder
\system\lib\libfeatureo.so -fix cam focus
# camera not working or force close or any other problem
copy all libs starting with /libcam*.so
#Camera showing wrong model in pic property?
Change model in build.prop
Still not working? Replace following file from STOCK to PORT
system/lib/libexif.so

SD card/Memory:
/system/bin/vold
\system\etc\vold.fstab -> edit file for swap internal and external
\system\etc\vold.fstab.nand

*Note:If not present leave this. from kitkat 4.4.x this file hase been moved into boot.img

Storage not mounting:
Decompile framework-res.apk using apktool or apk multitool and replace following file from STOCK framework-res.apk to PORT framework-res.apk
/res/xml/storage_list.xml

GPS:
\system\xbin\libmnlp
/system/etc/gps.conf

Touch Screen(Haptic):
/system/usr
/system/usr\keylayout\Generic.kl ->fix HomeKey

Sim1/2 (RIL):
\system\etc\firmware\modem.img
\system\etc\permission (RIL)
/system/bin/stmd
/system/bin/rild*
/system/etc/rril

Audio/Sound:
\system\lib\libaudio* .so

Ads:
/system/etc/hosts ->replace with new files or use tweak.

Resolution problem:
open build.prop and add following line
ro.sf.lcd_density=240
[ex: 240 but your dpi maybe deferent]

Pixalation in video:
Replace following file from STOCK to PORT
system/lib/libvcodecdrv.so

Flipped touch screen:
Replace following files from STOCK to PORT
system/lib/libinput.so

LED not working:
Replace following files from STOCK to PORT

system/lib/libfeatureio.so

Fix Network / 3G Network:
/ system / etc / agps_profiles_conf
/ system / etc / APNs-conf
/ system / etc / epo-conf
/ system / etc / spn-conf
/ system / etc / virtual-spn-conf-by-efspn
/ system / etc / virtual-spn-conf-by-IMSI

For any queries comment below!!
Warning:Make a full nandroid backup through TWRP recovery before flashing!!

Credits:
Google
XDA
Sai charan [make guides ]
All My MTK Devs Friends 
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