error 509 easy jtag plus

Question

error 509 easy jtag plus

I have a problem with Easy jtag UFS ISP Samsung a336b. I have error 509 , and I can't do anything. I bought a jtag from gsmserver. I had a Moto Edge 40 Neo on FRP before and I didn't do it because I had an error 509

MMC_tool ver. 2.1.0.0 (release date: 01.12.2025)
Microsoft Windows 10 (64 bit) build 26200 (10.0.26100.7306)

Official telegram group: Z3X Easy Jtag Plus SoftWare Official

Looking for EasyJTAG box...
Found Z3X EasyJtagPlus (2023)
EasyJTAG API ver. 3801
EasyJTAG Box Serial = 324ECB003C1D6A17
Card Serial = D68385FD
EasyJTAG Box Firmware = 2,5314

Firehose loaders: 957

Changelog:
01/12/2025 (ver 2.1.0.0)

Added vendor flashing for MTK (MediaTek) devices.
Added vendor flashing for Spreadtrum / Unisoc platforms.
Added vendor flashing for Nvidia Tegra based devices.
UFS unlock configuration for a UFS of chips, supporting unlock commands.
UFS smart-report for selected ICs to quickly read health, configuration, and key diagnostic data.
UFS DataProtect removal for compatible models, allowing safe clearing of protection when hardware/firmware permits.
Updated Explorer with support for EXT, FAT, NTFS, EROFS, and F2FS (Read-Only)
Added support for devices/boxes with eSIM handling (LX9 boxes activated after 09/2025).
Added firmware v14 for LX9 boxes
Active slot (A/B) switching for Qualcomm-based devices to simplify recovery, testing, and boot slot repair.
Manual partition table scan for a selected ROM/LUN, helping to locate and map partitions on damaged or non-standard layouts.
Improved authorization bypass logic for some Xiaomi models within current security limitations.
Fixed Xiaomi Mi Account–related patch routines, increasing reliability on supported firmwares.
Corrected and improved Preloader parser for better stability on various MTK images.
Added OFP unpacker (Oppo/Realme-style packages).
Added PAC unpacker (Spreadtrum/Unisoc firmware).
Added NB0 unpacker (NB0-format images).
Added LG firmware unpacker for compatible LG package types.

Operation: Connect to Z3X EasyJtagPlus (2023)

Setting Interface to UFS ISP
Setting IO Levels to Low
Setting Frequence to 66 Mhz

Socket Information :
Socket Mark: EasyJTAG UFS Socket BGA-254 by EasyJTAG 12.11.25
Socket Serial: 0123ABA583923889EE
Socket Type: UFS_SOCKET_BGA_254
UFS Power Information :
Mode: Low, VCC: 2841 mV, VCCQ2: 1903 mV
UFS Device Information :
UFS Manufacturer: MICRON, UFS ProductName: MT128GAXAU2U227X, UFS Version: 2.2
UFS OemID: MICRON, UFS RefClk: 26 MHz, UFS FirmVersion: 0.03, UFS SerialNumber: 0x512D7C8D9049F1122200
Maximum Number of LUs: 32, Number of LUs found: 5, Number of WLUs found: 1, LUs Re-configure: Disabled
RPMB Counter: 1069
UFS LUN 0 Capacity: 122004 MB (001DC9400000)
UFS LUN 1 (Main Boot A) Capacity: 4 MB (000000400000)
UFS LUN 2 (Boot B) Capacity: 4 MB (000000400000)
UFS LUN 3 Capacity: 8 MB (000000800000)
UFS LUN 4 Capacity: 20 MB (000001400000)

Device Life Time Estimation B: 0x01 0% - 10% device life time used
Device Life Time Estimation A: 0x01 0% - 10% device life time used
Pre EOL information: 0x01 Normal (Consumed less then 80% of reserved block)

Backup saved: UFS_MICRON_MT128GAXAU2U227X_512D7C8D9049F1122200_20251217_174045_config.ini (old backup)

Do not turn the socket before you press "Close Session" button

Connected successfully

Operation: Scan PartitionTable from Source (Vendor: Qualcomm)

Scanning soft partitions from LUN 0
Error reading at address: 000000000000 , error: -509, Unknown error: -509 ... Retry #1

Canceled

Operation: Scan PartitionTable from Source (Vendor: Samsung)

Scanning soft partitions from LUN 0
UFS_SWITCH_PART: STOP_LUN failed: -509 Unknown error: -509
Failed to ReconnectUFS

asked Dec 17, 2025 in Easy JTAG by bercik (130 points)

error 509 easy jtag plus

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