AIOJ4D3399 升级固件黑屏

night

板子从安卓7.1系统升级8.1固件，按照教程来升级，先擦除再升级，提示升级成功之后，提示重启设备之后一直黑屏，接串口，一直重复 进不到系统里，然后想重新烧写一遍，但是升级工具一直检测不到设备

night

15:34:13 415        瑞芯微开发工具 v2.6.5.0 start run
15:51:49 501        瑞芯微开发工具 v2.6.5.0 start run
15:52:04 093        Layer<1-1-2>:下载Boot开始
15:52:07 824        Layer<1-1-2>:下载Boot成功
15:52:07 840        Layer<1-1-2>:等待Maskrom开始
15:52:08 501        Layer<1-1-2>:等待Maskrom成功
15:52:08 548        Layer<1-1-2>:测试设备开始
15:52:08 548        Layer<1-1-2>:测试设备成功
15:52:08 579        Layer<1-1-2>:校验芯片开始
15:52:08 579        Layer<1-1-2>:校验芯片成功
15:52:08 595        Layer<1-1-2>:获取FlashInfo开始
15:52:08 595        <LAYER 1-1-2> INFO:FlashInfo: 00 F0 D1 01 00 04 04 00 28 00 01
15:52:08 595        <LAYER 1-1-2> INFO:GetFlashInfo-->Emmc storage.
15:52:08 595        Layer<1-1-2>:获取FlashInfo成功
15:52:08 635        Layer<1-1-2>:准备IDB开始
15:52:08 637        <LAYER 1-1-2> INFO:CS(1)                (14910MB)                (SAMSUNG)
15:52:08 644        <LAYER 1-1-2> INFO:FindBackupSector3-->No Found
15:52:08 654        Layer<1-1-2>:准备IDB成功
15:52:08 662        Layer<1-1-2>:下载IDB开始
15:52:08 738        Layer<1-1-2>:下载IDB成功
15:52:08 748        Layer<1-1-2>:下载固件开始
15:52:08 813        <LAYER 1-1-2> INFO:FlashInfo: 00 F0 D1 01 00 04 04 00 28 00 01
15:52:08 818        <LAYER 1-1-2> INFO:GetFlashInfo-->Emmc storage.
15:52:08 819        <LAYER 1-1-2> INFO:Start download image,total=3796932856,band=64,DirectLBA=1,First4Access=1,Gpt=0
15:52:08 972        <LAYER 1-1-2> INFO:Start to download trust,offset=0x6000,size=4194304
15:52:09 262        <LAYER 1-1-2> INFO:Start to download uboot,offset=0x4000,size=4194304
15:52:09 507        <LAYER 1-1-2> INFO:Start to download misc,offset=0x8000,size=49152
15:52:09 530        <LAYER 1-1-2> INFO:Start to download resource,offset=0xa000,size=233472
15:52:09 559        <LAYER 1-1-2> INFO:Start to download kernel,offset=0x12000,size=19806228
15:52:10 731        <LAYER 1-1-2> INFO:Start to download boot,offset=0x22000,size=1542436
15:52:10 841        <LAYER 1-1-2> INFO:Start to download recovery,offset=0x32000,size=8809600
15:52:11 325        <LAYER 1-1-2> INFO:Start to download system,offset=0x18c000,size=2684354560
15:53:02 230        <LAYER 1-1-2> INFO:Start to download vendor,offset=0x694000,size=536870912
15:53:15 329        <LAYER 1-1-2> INFO:Start to download oem,offset=0x796000,size=536870912
15:53:15 536        Layer<1-1-2>:下载固件成功
15:53:15 546        Layer<1-1-2>:重启设备开始
15:53:16 565        Layer<1-1-2>:重启设备成功
16:04:08 528        瑞芯微开发工具 v2.6.5.0 start run
16:05:11 142        瑞芯微开发工具 v2.6.5.0 start run
17:01:35 355        瑞芯微开发工具 v2.6.5.0 start run