a520w read codes via diag port

hi, here is logs :

Quote:

Welcome to Octoplus Box Samsung software version 2.7.7 ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM1 Selected model: SM-A520W Operation: Read Codes - Diag port Searching for a phone. Please wait... Found phone on COM128 Reading info... Detected phone model: SM-A520W HW Version: FMC PDA version: A520WVLS2BRD2 CSC version: A520WOYA2BRD2 CP version: A520WVLS2BRD2 Phone SN: R58J4376SAN Phone IMEI: 355227-08-243050-5 Searching for USB diagnostic port...OK Connecting...OK Reading HWID... Could not read data (HWID)! Please write modem from proper Combination firmware and repeat Read Codes operation again! Read codes failed Performed by 2.7.7.4 Software version. ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM128 Selected model: SM-A520W Operation: Read Codes - Server Please, press "OK" button on the phone to allow USB debugging. Proper android device not found. Make sure that "USB debug" option on the device is turned on. Read codes failed Performed by 2.7.7.4 Software version. ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM128 Selected model: SM-A520W Operation: Read Codes - Server Please, press "OK" button on the phone to allow USB debugging. Detected phone model: SM-A520W Firmware compiled date: Mon Apr 9 21:14:16 KST 2018 PDA version: A520WVLS2BRD2 CSC version: A520WOYA2BRD2 SW version: A520WVLS2BRD2 Phone SN: R58J4376SAN Android version: 7.0 (NRD90M) Sales code: FMC Country: Canada HW platform: exynos5 HW Chip: exynos7880 HW Modem: SHANNON325 Security patch level: 2018-04-01 Warranty Void: 0 SIM 1 status: network locked Codename: a5y17ltevl ----------------------------------------------------------------------------------- Connecting to server .. Username: Login error: Incorrect Username! Performed by 2.7.7.4 Software version. ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM128 Selected model: SM-A520W Operation: Read Codes - Diag port Searching for a phone. Please wait... Found phone on COM128 Reading info... Detected phone model: SM-A520W HW Version: FMC PDA version: A520WVLS2BRD2 CSC version: A520WOYA2BRD2 CP version: A520WVLS2BRD2 Phone SN: R58J4376SAN Phone IMEI: 355227-08-243050-5 Searching for USB diagnostic port...OK Connecting...OK Reading HWID... Could not read data (HWID)! Please write modem from proper Combination firmware and repeat Read Codes operation again! Read codes failed Performed by 2.7.7.4 Software version. MyExceptionEAccessViolationAccess violation at address 00AE18C3 in module 'OctoplusSamsung.exe'. Read of address 00000004 TAdvStringGrid ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM128 Selected model: SM-A520W Operation: Reboot Download Detected phone model: SM-A520W Firmware compiled date: Mon Apr 9 21:14:16 KST 2018 PDA version: A520WVLS2BRD2 CSC version: A520WOYA2BRD2 SW version: A520WVLS2BRD2 Phone SN: R58J4376SAN Android version: 7.0 (NRD90M) Sales code: FMC Country: Canada HW platform: exynos5 HW Chip: exynos7880 HW Modem: SHANNON325 Security patch level: 2018-04-01 Warranty Void: 0 SIM 1 status: network locked Codename: a5y17ltevl Rebooting phone in Download Mode... Phone successfully rebooted in Download Mode. Performed by 2.7.7.4 Software version. Selected CP file: D:\AHHA FILES\SAMSUNG\SAMSUNG MODEM\A520W \CP_A520WVLS2BRA2_CP8682413_CL12157431_QB16548420 _REV00_user_low_ship.tar.md5 Please put the phone into Download Mode and connect USB cable. To put SM-A520W into Download Mode, You have to perform the following steps: 1. Press and hold "Volume-" + "Home" + "Power ON" keys. 2. When phone turns on, press "Volume+" key. Found phone on Advanced mode! Firmware write started. Writing RADIO section... RADIO section has been written successfully. Firmware writing successfully completed. Performed by 2.7.7.4 Software version. ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM1 Selected model: SM-A520W Operation: Read Codes - Diag port Searching for a phone. Please wait... Found phone on COM128 Reading info... Detected phone model: SM-A520W HW Version: FMC PDA version: A520WVLS2BRD2 CSC version: A520WOYA2BRD2 CP version: A520WVLS2BRA2 Phone SN: R58J4376SAN Phone IMEI: 355227-08-243050-5 Searching for USB diagnostic port...OK Connecting...OK Reading HWID... Could not read data (HWID)! Please write modem from proper Combination firmware and repeat Read Codes operation again! Read codes failed Performed by 2.7.7.4 Software version. ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM128 Selected model: SM-A520W Operation: Reboot Download Detected phone model: SM-A520W Firmware compiled date: Mon Apr 9 21:14:16 KST 2018 PDA version: A520WVLS2BRD2 CSC version: A520WOYA2BRD2 SW version: A520WVLS2BRA2 Phone SN: R58J4376SAN Android version: 7.0 (NRD90M) Sales code: FMC Country: Canada HW platform: exynos5 HW Chip: exynos7880 HW Modem: SHANNON325 Security patch level: 2018-04-01 Warranty Void: 0 SIM 1 status: network locked Codename: a5y17ltevl Rebooting phone in Download Mode... Phone successfully rebooted in Download Mode. Performed by 2.7.7.4 Software version. Selected CP file: D:\AHHA FILES\SAMSUNG\SAMSUNG MODEM\A520W \CP_A520WVLS1BQK1_CP8026749_CL12157431_QB15689693 _REV00_user_low_ship.tar.md5 Please put the phone into Download Mode and connect USB cable. To put SM-A520W into Download Mode, You have to perform the following steps: 1. Press and hold "Volume-" + "Home" + "Power ON" keys. 2. When phone turns on, press "Volume+" key. Found phone on Advanced mode! Firmware write started. Writing RADIO section... RADIO section has been written successfully. Firmware writing successfully completed. Performed by 2.7.7.4 Software version. ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM1 Selected model: SM-A520W Operation: Read info Reading info, please wait... Proper android device not found. Make sure that "USB debug" option on the device is turned on. Performed by 2.7.7.4 Software version. ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM1 Selected model: SM-A520W Operation: Reboot Download Detected phone model: SM-A520W Firmware compiled date: Mon Apr 9 21:14:16 KST 2018 PDA version: A520WVLS2BRD2 CSC version: A520WOYA2BRD2 SW version: unknown Phone SN: R58J4376SAN Android version: 7.0 (NRD90M) Sales code: FMC Country: Canada HW platform: exynos5 HW Chip: exynos7880 HW Modem: unknown Security patch level: 2018-04-01 Warranty Void: 0 SIM 1 status: not ready Codename: a5y17ltevl Rebooting phone in Download Mode... Phone successfully rebooted in Download Mode. Performed by 2.7.7.4 Software version. Selected CP file: D:\AHHA FILES\SAMSUNG\SAMSUNG MODEM\A520W \CP_A520WVLS2BRA2_CP8682413_CL12157431_QB16548420 _REV00_user_low_ship.tar.md5 Please put the phone into Download Mode and connect USB cable. To put SM-A520W into Download Mode, You have to perform the following steps: 1. Press and hold "Volume-" + "Home" + "Power ON" keys. 2. When phone turns on, press "Volume+" key. Found phone on Advanced mode! Firmware write started. Writing RADIO section... RADIO section has been written successfully. Firmware writing successfully completed. Performed by 2.7.7.4 Software version. ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM1 Selected model: SM-A520W Operation: Read Codes - Diag port Searching for a phone. Please wait... Found phone on COM128 Reading info... Detected phone model: SM-A520W HW Version: FMC PDA version: A520WVLS2BRD2 CSC version: A520WOYA2BRD2 CP version: A520WVLS2BRA2 Phone SN: R58J4376SAN Phone IMEI: 355227-08-243050-5 Searching for USB diagnostic port...OK Connecting...OK Reading HWID... Could not read data (HWID)! Please write modem from proper Combination firmware and repeat Read Codes operation again! Read codes failed Performed by 2.7.7.4 Software version.

i want to know, what version do i need to unlock it?

and is it free or still needs credits?