root@photonicat-openwrt:/data/RM500U-update# bash update.sh
Terminating programs using the Modem...
Firmware update started.
[000:000] Version: QDloader_Linux_Android_V1.0.7
[000:000] scan quectel modem
/sys/bus/usb/devices/3-1 2c7c/900/404
open(/dev/bus/usb/003/010) = 4
[000:005] AT > AT+QDownLOAD=1
[000:013] AT < Quectel
[000:013] AT < RM500U-CNV
[000:013] AT < Revision: RM500UCNVAAR03A05M2G
[000:013] AT < OK
[000:017] AT < +EGMR: "P1Y24DL120012650P"
[000:017] AT < OK
[000:020] AT < +EGMR: "869955061591942"
[000:020] AT < OK
[000:023] AT < OK
bluk in = -1, errno: 71 (Protocol error)
[001:196] scan quectel modem
/sys/bus/usb/devices/3-1 1782/4d00/2430
open(/dev/bus/usb/003/011) = 4
[004:422] Version: BP_R1.0.0
[004:422] ProductName: udx710-module
[004:422] ProductVersion:
[004:422] szPrdAlias: udx710-module
[004:424] > BSL_CMD_CHECK_BAUD
[004:425] < BSL_REP_VER
[004:425] > BSL_CMD_CONNECT
[004:425] Flash FDL
[004:425] > BSL_CMD_START_DATA
[004:443] > BSL_CMD_END_DATA
[004:443] > BSL_CMD_EXEC_DATA
[004:443] > BSL_CMD_CHECK_BAUD
[004:443] < BSL_REP_VER
[004:443] > BSL_CMD_CONNECT
[004:443] Flash FDL2
[004:443] > BSL_CMD_START_DATA
[004:499] > BSL_CMD_END_DATA
[004:499] > BSL_CMD_EXEC_DATA
[004:654] < BSL_REP_INCOMPATIBLE_PARTITION
[004:654] > BSL_CMD_DISABLE_TRANSCODE
[004:656] Backup NV_NR -> '/tmp/quectel_back_NV_NR'
[004:656] > BSL_CMD_START_READ
{PSCP, 58, 5551016}
{NRCP, 54b400, 2048}
{V3PHY, 54bc00, 2048}
[015:837] > BSL_CMD_END_READ
[015:838] Erase EraseSPL
[015:838] > BSL_CMD_ERASE_FLASH
[015:852] > BSL_CMD_REPARTITION
[016:113] < BSL_REP_OPERATION_FAILED
[016:114] failed: bsl_send_cmd_wait_ack(ctx, bsl_req, 0, 0) (./dloader/test.c: bsl_re_parttition: 789)
[016:114] failed: bsl_re_parttition(ctx) (./dloader/test.c: test_bsl: 948)
[016:114] Upgrade module fail
Firmware updated OK, reboot...
原来版本 RM500UCNVAAR03A05M2G，尝试更新固件失败，无法识别设备了，求助一下如何自救，顺便求最新固件，谢谢。邮箱 495213351@qq.com