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Infinity Chinese Miracle-2 MTK/Mediatek v2.00 r4 - MT6771 support and other features

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Infinity Chinese Miracle-2 MTK/Mediatek v2.00 r4 - MT6771 support and other features !

- Software installed to new folder /CM2MT2/ and designed to support new models
- Smart-Card firmware v0136 is Ok to use this version
- DO NOT uninstall previous version 1.58 ! If you are trying to connect phone with new software and see a message like LEGACY MTK you should use version 1.58 for this device !

- Main
Connection level revised
BROM level support optimized

MT6771 CPU supported!
MT6771 moved from TEST to GENERAL support.
Firmwware read
Firmware write
NVRAM read
NVRAM write
Reset Settings / Format FS
Reset FRP
Reset Privacy

- Service
Repair Security revised. Fixed issues with some NV types.

- Core
EMIDB updated
Hint/Error explain module updated
MT6758 support under test
MT6765 support under test

- FW reader
MT6771 supported
New types of firmwares supported
Scatter creation optimized

- SP Unlock
Revised unlock support for some models
Info: MT6739/MT6763/MT6771 IS NOT supported YET!

- New models included
Limited Oppo support (F7/A3)
Limited Vivo support
And diffirent other models
Some other basic "generic" secure devices support optimized

Known issues/warnings/info:
1. [NAND on MT6570] v1712, v1736 loader packages SHOULD NOT BE USED due to these packages have ftl/ecc errors!
In result you will give read/write FW errors and rest problems at all.
Recommend use v1724 for FACTORY FW flashing, v18xx line for Infinity FW Flash Read and Write
2. [NAND on MT6570] In some cases "stuck on logo" devices can be fixed only via FFU (whole flash) format!
3. [MEMORY TOOL] Partitions state on MEMORY TOOL will be empty in MT6570 NAND phones, it is normal behaviour and can not be fixed.
Read-Write data, which you want, ignore "EMPTY" states.
4. ADL checksum MAY NOT WORK CORRECT on MT6570 NAND devices! Result - stuck after system/userdata partition flashing
5. FileSystem flashing on some SBC-enabled devices (except SYSTEM/CACHE/USER) may fail ! Solution - exclude them from flashing list.
6. Cheap MT6739 devices require BATTERY REMOVING after EVERY operation in most cases !
7. Meizu support is limited by Preloader Level ( No BROM SLA ) - you must UNTICK "PMT Update" and "PRELOADER" partition from flashing list!
8. [NAND on MT6570] In some cases device MAY BE DEAD after flashing! Make sure you have TESTED firmware version!
If you have download FW from internet/other source - make sure it preloader CONTAIN 3 EMI record! Preloader jc45btlc with 2 records KILL SOME DEVICE TO UNRECOVERABLE STATE !
Preloader info shown now during FW load.

Credits :
kamal_singla - testing and useful files contribution

Discussion and download links - https://www.infinity-box.com/support/?r=100016

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