Research Download is an software for flashing, downgrade, upgrade, unlock for many CPU Phone support like spreadtrum, shark,Stingray, Shark4G - SharkL5ModeMarlinAndroid5.1.
After upgrade to high version more added the new CPU listed, we can look in image below what the last added from this flashing tool.
|List the last added cpu list|
- For the last version R2.2.9017 can download here | file size 1,643kb
Step by step flashing tutorial can look here => Flashing samsung c3520i | Flashing lenovo 238t | or can looking image below do to run the reserch download tool.
|learn ho to use RD Tool|
The last CPU Supported list and will updated by spreadtrum :
-SC77xx -SC7710 -SC7715 -SC7710U -SC5735 -SC6530 -SC6530 -SC6530 -SC7702 -SC7710G -SC7730 -SC7730_NAND -SC7730_simlock -SC8501C -SC8501C_samsung -SC8810 -SC8810-SIMLOCK -SC8825 -SC8825-SIMLOCK -SC8830 -SC8830_NAND -SC8830_simlock -SC9610 -SC9620 -Shark -Shark9620 -Stingray
*) Research Download tool is an softwares made by Spreadtrum comunication.inc for full credit this software / tools.