SPC L52 Pro Firmware Download
Assalamualaikum...

Flash SPC L52 Pro using ResearchDownload/UpgradeDownload.
Install ROM :
FactoryDownload/UpgradeDownload/ResearchDownload
1 Unpack ROM and extract SPC_L52 Pro_V01_20170919.7z
2 Run UpgradeDownload or FactoryDownload or ResearchDownload
3 Click on "Load packet"and add the SPC_L52 Pro_V01_20170919.pac
4 Click on "Start"
5 Press and Hold Volume Up and connect your android device to the computer
6 Flasing will run and wait until the process is complete
7 Finish
[Read Ok] : u-boot-spl-16k.bin
[Read Ok] : u-boot.bin
[Read Ok] : prodnv.img
[Read Ok] : nvitem_l.bin
[Read Ok] : sc983x_cp1.bin
[Read Ok] : DSP_DM_Gx.bin
[Read Ok] : DSP_DM_Gx.bin
[Read Ok] : l__WPH_arm7.bin
[Read Ok] : PM_arm7_sys.bin
[Read Ok] : logo_720x1280.bin
[Read Ok] : fblogo_720x1280.bin
[Read Ok] : wcn_fdl.bin
[Read Ok] : AA_MARLIN.bin
[Read Ok] : boot.img
[Read Ok] : trustos.bin
[Read Ok] : vmm.bin
[Read Ok] : system.img
[Read Ok] : sysinfo.img
[Build Ok] : cache.img
[Read Ok] : recovery.img
[Build Ok] : userdata.img
type file: ROM size: 965MB
Download via AndroidFileHost
Model Name : sharkls_xx08
Model Brand : SPC
Model Device: L52_Pro
AndrVersion : 7.0
BaseBand CPU: SPC
Project Ver : SPC_L52 Pro_V01_20170919
Model Ext : L52 Pro

Free Official Firmware SPC L52 Pro 2GB RAM 16GB ROM SPD (spreadtrum)
for Unbrick dead after Flash or Repair Stuck on Logo.Flash SPC L52 Pro using ResearchDownload/UpgradeDownload.
Install ROM :
FactoryDownload/UpgradeDownload/ResearchDownload
1 Unpack ROM and extract SPC_L52 Pro_V01_20170919.7z
2 Run UpgradeDownload or FactoryDownload or ResearchDownload
3 Click on "Load packet"and add the SPC_L52 Pro_V01_20170919.pac
4 Click on "Start"
5 Press and Hold Volume Up and connect your android device to the computer
6 Flasing will run and wait until the process is complete
7 Finish
[Read Ok] : u-boot-spl-16k.bin
[Read Ok] : u-boot.bin
[Read Ok] : prodnv.img
[Read Ok] : nvitem_l.bin
[Read Ok] : sc983x_cp1.bin
[Read Ok] : DSP_DM_Gx.bin
[Read Ok] : DSP_DM_Gx.bin
[Read Ok] : l__WPH_arm7.bin
[Read Ok] : PM_arm7_sys.bin
[Read Ok] : logo_720x1280.bin
[Read Ok] : fblogo_720x1280.bin
[Read Ok] : wcn_fdl.bin
[Read Ok] : AA_MARLIN.bin
[Read Ok] : boot.img
[Read Ok] : trustos.bin
[Read Ok] : vmm.bin
[Read Ok] : system.img
[Read Ok] : sysinfo.img
[Build Ok] : cache.img
[Read Ok] : recovery.img
[Build Ok] : userdata.img
Download Link
SPC_L52 Pro_V01_20170919.pactype file: ROM size: 965MB
Download via AndroidFileHost
Model Name : sharkls_xx08
Model Brand : SPC
Model Device: L52_Pro
AndrVersion : 7.0
BaseBand CPU: SPC
Project Ver : SPC_L52 Pro_V01_20170919
Model Ext : L52 Pro