Here i am giving you the working unlocking code to work with the issue of yours which is tested and work with your issue.
Code:
MCU Nokia Version: 1.126, and up to date.
SMCU Nokia Version: 1.44, and up to date.
Reading Info...
MCU Version: V 08.20 Date: 30-06-09 Type: RM-519 (2720A-2) Additional_1: (c) Nokia [Nokia 2720A-2 CABLE]
PPM Version: V 08.20 Date: 30-06-09 Type: RM-519 (2720A-2) Additional_1: (c) Nokia Pack: AE
Product code: 0589538
Production serial: IRF558329
Hardware version: 1000
Original IMEI: 355247-03-********
IMEI: 355247-03-********
Asic type: 11
Profile bits: 800000000003000B
Lockinfo: 2340000300000000
Lock version: 3
SIMLock service: SIMLOCK SERVER [01000B07091C]
Writing SP info
Failed, patching software...
Connecting to server: US2
Asking service availability...
Connecting to server: US2
Credits: 186
Credits left: 186
Input power: 12.22V OK.
Hardware ID: 3168
Boot Loader: u3_2nd.fia 2 kB
Version: 4.77.0
Supported Hardwares: [3040, 2292, 2293, 3162, 3166, 3168]
Max Flash Devices: 2
Flash ID 1: 00898981 - 0000 Rev: 9221 Manufacturer: Intel MSB: 01 SectorSize: 0x020000
Flash ID 2: 00898981 - 0000 Rev: 9221 Manufacturer: Intel MSB: 02 SectorSize: 0x020000
Signature: AD7EB61B23100340C605E40120A20000
Flash Loader: u3_intel.fia 22 kB
Version: 4.80.0
Supported Hardwares: [3040, 2292, 2293, 3162, 3166, 3168]
ASIC Type: 11
MSID: 84-F34DE29F83E2D6F8F9D5F961
CobbaID: 00552F14; 3B8ADA60
FAID: F54690DFBE8D85705716E210
Erase time: 2,3 sec.
Flashing file: RM-519_08.20.nim
Flash time: 35,1 sec.
After MCU Flash Delay: 5000 msec.
Total time: 53,0 sec.
Reading Info...
MCU Version: V 08.20 Date: 30-06-09 Type: RM-519 (2720A-2) Additional_1: (c) Nokia [Nokia 2720A-2 CABLE]
PPM Version: V 08.20 Date: 30-06-09 Type: RM-519 (2720A-2) Additional_1: (c) Nokia Pack: AE
Product code: 0589538
Production serial: IRF558329
Hardware version: 1000
Original IMEI: 355247-03-********
IMEI: 355247-03-********
Asic type: 11
Profile bits: 800000000003000B
Lockinfo: 2340000300000000
Lock version: 3
SIMLock service: SIMLOCK SERVER [01000B07091C]
Calculating SP area
Writing SP info
Write lock succeeded
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