Hello guys,
I made a huge mistake while fiddling around with my router.
I wanted to sysupgrade my OpenWRT and loaded the factory openwrt image instead. I forgot that I did this move and when I wanted to sysupgrade again to add some packages as default to my image, the router does not boot anymore.
Now my question: Did I brick the device for good now? 
Or can I still save it. So much to say: U-Boot might be gone now. Checked that over UART.
you obviously tried reversing Tx and Rx pins ?
Format: Log Type - Time(microsec) - Message - Optional Info
Log Type: B - Since Boot(Power On Reset), D - Delta, S - Statistic
S - QC_IMAGE_VERSION_STRING=BOOT.BF.3.3.1-00163
S - IMAGE_VARIANT_STRING=HAACANAZA
S - OEM_IMAGE_VERSION_STRING=CRM
S - Boot Config, 0x000002e5
B - 203 - PBL, Start
B - 2740 - bootable_media_detect_entry, Start
B - 4219 - bootable_media_detect_success, Start
B - 4224 - elf_loader_entry, Start
B - 6892 - auth_hash_seg_entry, Start
B - 44764 - auth_hash_seg_exit, Start
B - 106766 - elf_segs_hash_verify_entry, Start
B - 169621 - PBL, End
B - 183976 - SBL1, Start
B - 236802 - GCC [RstStat:0x10, RstDbg:0x600000] WDog Stat : 0x4
B - 243390 - pm_device_init, Start
B - 367220 - PM_SET_VAL:Skip
D - 123311 - pm_device_init, Delta
B - 369629 - pm_driver_init, Start
D - 5398 - pm_driver_init, Delta
B - 376034 - clock_init, Start
D - 2104 - clock_init, Delta
B - 379969 - boot_flash_init, Start
D - 12688 - boot_flash_init, Delta
B - 396439 - boot_config_data_table_init, Start
D - 3080 - boot_config_data_table_init, Delta - (575 Bytes)
B - 403942 - Boot Setting : 0x00000618
B - 407876 - CDT version:2,Platform ID:8,Major ID:133,Minor ID:1,Subtype:5
B - 414891 - sbl1_ddr_set_params, Start
B - 418704 - CPR configuration: 0x30c
B - 422150 - cpr_init, Start
B - 424926 - Rail:0 Mode: 5 Voltage: 808000
B - 430141 - CL CPR settled at 760000mV
B - 432978 - Rail:1 Mode: 5 Voltage: 880000
B - 437248 - Rail:1 Mode: 7 Voltage: 904000
D - 16531 - cpr_init, Delta
B - 444049 - Pre_DDR_clock_init, Start
B - 448045 - Pre_DDR_clock_init, End
B - 451461 - DDR Type : PCDDR4
B - 458201 - do ddr sanity test, Start
D - 1067 - do ddr sanity test, Delta
B - 461922 - DDR: Start of HAL DDR Boot Training
B - 466650 - DDR: End of HAL DDR Boot Training
B - 472323 - DDR: Checksum to be stored on flash is -1498991543
B - 482845 - Image Load, Start
D - 505720 - QSEE Image Loaded, Delta - (1378368 Bytes)
B - 988627 - Image Load, Start
D - 61 - SEC Image Loaded, Delta - (0 Bytes)
B - 996313 - Image Load, Start
D - 293806 - DEVCFG Image Loaded, Delta - (32488 Bytes)
B - 1290211 - Image Load, Start
D - 305305 - RPM Image Loaded, Delta - (93060 Bytes)
B - 1595607 - Image Load, Start
D - 369965 - APPSBL Image Loaded, Delta - (537454 Bytes)
B - 1965725 - QSEE Execution, Start
D - 91 - QSEE Execution, Delta
B - 1971520 - USB D+ check, Start
D - 0 - USB D+ check, Delta
B - 1977925 - SBL1, End
D - 1796236 - SBL1, Delta
S - Flash Throughput, 6729 KB/s (2042617 Bytes, 303530 us)
S - DDR Frequency, 600 MHz
S - Core 0 Frequency, 1651 MHz
You deserved some kudos. I still can't say if it is bricked or not. Might look like I got some access.
probably not, read Dynalink DL-WRX36 Askey RT5010W IPQ8072A technical discussion - #1146 by missingcharacter.
Thanks for this. I was successful with that approach.
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