Power off the phone, disconnect and reconnect the battery(if possible) and connect USB cable...
Scanning BootROM or Preloader port... Done
Detected [BootROM] MediaTek USB Port_V1632 (COM3)
Connection status: UHCI:HUB:USB 1.10 Full-Speed
USB Driver: [MediaTek Inc.] wdm_usb, version: 3.0.1504.0, date: 1-22-2015
Connecting Bootrom...
Sending Download Agent...
Error: 4032 (S_FT_ENABLE_DRAM_FAIL)
[H/W] DRAM detection failed at stage 2!
Platform: MT6580_S00, Hw ver: 0xCA00, Sw ver: 0x0000
Secure ver: 0x05, BL ver: 0x00
SRAM size: 0 B
Unknown RAM size: 0 B
PL Verification:: Hash + Signature
Storage type: eMMC
Card/BGA: BGA (Discrete embedded)
Manufacturer ID: 0x90 (SK Hynix)
Product name: H4G1d (0x483447316404), rev: 0x05, serial number: 0x00000C58
Manufacturing date: Aug 2018
CID: 90014A48 34473164 04050000 0C5885D5
USB speed: Full-Speed
Error: 4001 (S_FT_DA_NO_RESPONSE)
[DA] DA didn't send response data