Tool Download Fail! F7 show on startup then restart after one minute
I try many oppo custom files get from many links and read from working phones but phone in same condition. here is logAUTH info: MTK, version: 1
BROM version[1]: 7.1945.3.0
DA: MTK_AllInOne_DAA[0].bin
hash: 0caf36f51e08b2331d07953b25e9d94058e451d2, size: 790.91 KiB
version: 3.3001.00.00, start addr: 0x40000800
Connecting to BootROM...
Power off the phone, disconnect and reconnect the battery(if possible) and connect USB cable...
Hold the VOL UP to force MediaTek BootROM.
Scanning BootROM or Preloader port... Done
Detected [BootROM] MediaTek USB Port_V1632 (COM3)
Connection status: EHCI:HUB:HUB:USB 1.10 High-Speed
USB Driver: [MediaTek Inc.] wdm_usb, version: 3.0.1504.0, date: 1-22-2015
Connecting Bootrom...
Sending Download Agent...
Platform: MT6771, Hw ver: 0xCA00, Sw ver: 0x0000
Secure ver: 0x00, BL ver: 0x00
SRAM size: 256 KiB
DRAM size: 3 GiB
SOC ID: df35f0a0f6c6107cb2fef8bbca194c3fdd1fe25859e09837cdbdef0c5e5ccf7d
ME ID: e941dabc24d4c4305af2b5aafcb7f615
Storage type: eMMC
Card/BGA: BGA (Discrete embedded)
Manufacturer ID: 0x90 (SK Hynix)
Product name: HCG8a4 (0x484347386134), rev: 0xA4, serial number: 0x0A5830DD
Manufacturing date: Jan 2018
CID: 90014A48 43473861 34A40A58 30DD153B
Capacity: 58.25 GiB(62,549,655,552 bytes)
Boot1: 4096 KiB
Boot2: 4096 KiB
RPMB: 4096 KiB (key exist)
User area: 58.24 GiB(62,537,072,640 bytes)
USB speed: High-Speed
platform: MT6771, cpu abi: arm64-v8a
manufacturer: OPPO
board: oppo6771_17331, name: CPH1819
brand: OPPO, model: CPH1819 (OPPO F7)
build id: O11019, version: 8.1.0 Oreo (CPH1819EX_11_A.34)
build description: full_oppo6771_17331-user 8.1.0 O11019 1564583921 release-keys
PCBA: 001733818615025100011139
imei[1]: 86847503xxxxxxx
imei[2]: 86847503xxxxxxx
WARNING: oppo custom is empty(invalid)!
crypto state: encrypted