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[MishaAsphalt]

Development and porting for devices on Spreadtrum SC6815 / SC7715

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Forum Rules and Rules section "Android - Development and Programming"

• Before asking a question, lookAndroid OS FAQ and Glossary .
Respect your and other people's time.

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are not liable

• All operations with your phone, you do at your own risk.


• Be sure to make a full backup before
Any manipulations with the device!

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• Messages that are not related to the topic of discussion (offtopic) are deleted without warning.

Drivers and Utilities

• Tool for Unpack / Repack system.new.DAT & system.IMG
  Lollipop & Marshmallow (under Windows)
  
• AndImgTool
  
• Program for repacking boot.img and recovery.img
  
• Unpacking system.new.dat
• Programs for working with firmware (windows, android, linux)
  

Instructions

Porting firmware:

• Porting based on cm
  
• instruction from Anatolii2016
• How to assemble / disassemble data.img, system.img and boot.img

Porting recovery:

• Porting TWRP / CWM / Philz touch Recovery

Other:

• How to correctly recognize errors through LogCat
• How to make firmware from BACKUP
  
• How to shoot logs

Fixes

• Change mount points in update-script
• twrp errors and solutions
  

• Treatment is not working offline charging

Useful

• Devices with a SC6815 and SC7715 processor
• Criteria for donor search
• parameters, tweaks to build_prop when porting
• Tweaks Build.Prop # 2
• How to set the installation folder data in the installation script
• We add to the firmware to install the archives from busybox, SuperSU, GAPPS.
• What to do if after disassembly the boot is not going (Android 5.X)

• Error Correction Instructions
  
• "An error occurred on com.android.phone"
  
• Description of libs (lib .... so)

There is no curator in the subject.
For questions about filling caps, please contactmisha2345

Post has been editedmisha2345 - 22.08.17, 15:31

Reason for editing: Treatment of non-working offline charging

[Anatolii2016]

How to make firmware from BACKUP.

Foreword

This will help those who want to try to port the firmware that the donor is in backup. Twrp- (with CWM you can also try)

A source

To read

Post has been editedvaalf - 08.07.17, 20:31

Reason for editing: Raised in the topic header

[ASSking.sie]

tell me what could be trouble:
- when installing custom firmware (cyan), the sysem partition is started up (the recovery cannot mount it). not important 4.4 it or 5
the files are copied there first. the impression is that at the end of the installation, he couldn’t reduce it to a single heap there.
The recovery ported itself. I tried to take recovery from different devices, the effect is the same.
Sewed native firmware immediately with TWRP and tried to roll cyan - likewise. (I did all the wipes. All according to the instructions)
device Fly IQ436i

[Anatolii2016]

ASSking.sie,If cyan is a port, then check the blocks in the updater-script there may be somewhere a blemish and you will not install the firmware because of it, but if you sew cyan that should work exactly then try with wipes, dalwick, cache, date, systems

[ASSking.sie]

yes port. I really didn’t get enough of it) in 11 tsyane bottles wrote the wrong way. but with the twelfth it is not clear.

[Anatolii2016]

ASSking.sie,
what exactly is not clear

[ASSking.sie]

In general, I think figured out. I found a topic with a similar problem - I need to change the size of the SYSTEM section for the fifth Andrew (or look for another firmware).
When installing the firmware, it writes "patching system image unconditionally .." and this happens to infinity.
heretheme with trad on xda
hereinstructions for changing the section on speedtrums
maybe someone come in handy

Post has been editedASSking.sie - 23.07.17, 16:36

[Anatolii2016]

parameters, tweaks inbuild_propwhen porting

To read!

This information is for mtk processors but some of them still fit! So look carefully!

A source

Porting firmware 4.2 / 4.4 to MTK 6592/6582 (Post Neuropapa # 42853951)

Post has been editedvaalf - 02.08.17, 21:45

Reason for editing: Raised in the topic header

[Anatolii2016]

How to set the installation folder in the installation script data

Inventory

everything is set that I put indata /, the main thing is to locate the directories in the firmware

Add toupdater-script

mount ("ext4", "EMMC", "/ dev / block / mmcblk0p7", "/ data");
package_extract_dir ("data", "/ data");
unmount ("/ data");
unmount ("/ system");

[MishaAsphalt]

Programs for working with firmware

Windows

1) RKwinToolsMod_v2_8.rar(6.43 MB)
- disassembly system.img, data.img
2) RESEARCHDOWNLOAD_R2.9.9016.rar(4.04 MB)
- Smartphone firmware, unpacking .pac type
3) AndImgTool_1_3_0.rar(198.91 KB)
- modification and unpacking of boot.img and recovery.img
4) 7-ziporWInRAR- archivers
5) Total commander- file manager
6) jBART- the most powerful tool for working with firmware
7) WRiteIMEI- imei recovery
8) make_ext4fs_new.rar(946.43 KB)
- program to create system.img and data.img in ext4 file system

linux

1) tool cika carliv image kitchen android- modification and unpacking of boot.img and recovery.img
2) FMD Apktool OS Linux

Android

1) В®Rashr - Flash Tool- firmware recovery.img and boot.img
2) Image Factory- work with * .img
3) В® Root Explorer (File Manager)- file manager
4) Flashify (for root users)- the same as rashr, only better

[Anatolii2016]

Add to the firmware to install the archives withbusybox, SuperSU, GAPPS.

A source

Porting firmware 4.2 / 4.4 to MTK 6592/6582 (Post Destrooktor # 48968573)

Posted on 08/07/2017, 18:09:

What to do if after disassembly the boot is not going (Android 5.X)

A source

Porting firmware 4.2 / 4.4 to MTK 6592/6582 (fastchip fast # 41907232)

Post has been editedAnatolii2016 - 07.08.17, 18:08

[Anatolii2016]

Description of libs(lib .... so)

Description

Here you can see which libraries are responsible for the basic functions of the device, and it is also possible to identify the cause of non-working software when porting.

A source

To read
Read 2

Post has been editedAnatolii2016 - 15.08.17, 15:36

Reason for editing: added

[Anatolii2016]

Error Correction Instructions
"An error occurred on com.android.phone"
in some ports in most cases from lenovo.

Description

Not looking for Lenovo, should help us too!

A source

To read

[Anatolii2016]

TweaksBuild.Prop #2

A source

Development and porting for devices on the Spreadtrum SC7731 platform (Post XxImsxX # 62756184)

Post has been editedvaalf - 16.08.17, 20:05

Reason for editing: Raised in the topic header

[Anatolii2016]

Treatment of non-working offline charging

Instruction

Take from the drain in the system / media files responsible for.qmgand.emdand take file from system / binlpm .

ATboot.img ramdisk /init.rcadd:

service lpm / system / bin / lpm
class charger
critical

[kuzzmitch76]

Good day to all. The question is, can anyone help to build or port firmware for speadtrum SC8830, namely samsung j1 mini g105h? In our branch there are no professionals of this level and for the second year already there is not a single stable custom.

[MishaAsphalt]

kuzzmitch76,
If I'm not mistaken, then you courtDevelopment and porting for devices on the Spreadtrum SC7731 platform. Similar processors

Post has been editedmisha2345 - 10.09.17, 16:42

[kingkobra97]

Greetings
In general, there is a CM 12.1 port for this processor (SC6815). After the port, Wi-Fi did not start at all, that is, it was launched one time. You click to connect, it writes that it is impossible to connect and after a couple of seconds he connected himself. I solved this glitch in this way, just in/data/misc/wifi/p2p_supplicant.confreplacedctrl_interface = wlan0onctrl_interface = / data / misc / wifi / socketsand Wi-Fi earned in normal mode. But one more glitch noticed that when you lock the phone, Wi-Fi is turned off, in the settings I watched, it is worth not turning off. I can not fix this bug. Became a donorthis device. There is also a CM 11 port for the same phone model, there are no such problems. Can some libraries be replaced, etc.?

Post has been editedkingkobra97 - 27.09.17, 12:48

Reason for editing: addition

[Chukhlebov]

Greetings :)
I have with a smartphoneZTE Blade A3and I want to port the firmware to itSounds like the first message of the user onsavagemessiahzine.com, butnot! : D Experience in porting firmware is available but for the processor Spreadtrum SC7731
So poke pliz noseinstructionBy porting the firmware on the Spreadtrum SC7715 chip, I'm wondering what to replace and should I touch something in the boot?
I would appreciate the help! : thank_you:

[tchaura]

tchukhlebov, and our instructions did not try?

[Chukhlebov]

tchaura, I tried to replace the core from a3 as a result hung on the logo: (