Problem Change Imei

[:::MACUGSM:::]

Have a lot of trouble to change imei with models DCT4Plus.

*For example in 1208 the operation is successful, but the team has no signal.
*In 2630 and 2760 models always fails
*Etc etc etc

PhoneType:RM-299
SwVersion: V 05.61 18-04-08 RM-299 (c) Nokia
MCU file: rm298__05.61.mcusw
Trying to find patch position ...OK

New Imei: 011998005220617

ASIC ID: 0x3162 [UPP_8M ver: 6.2]
SecondaryBoot: u3_2nd.fia [DCT4] version: 4.76.0 revision: 0.7 size: 0x9A8
Supported Ids: 3040, 2292, 2293, 3162, 3166, 3168
Error flash config request!
Retrying ...
OK, case id: 4
New Imei: 011998005220617

ASIC ID: 0x3162 [UPP_8M ver: 6.2]
SecondaryBoot: u3_2nd.fia [DCT4] version: 4.76.0 revision: 0.7 size: 0x9A8
Supported Ids: 3040, 2292, 2293, 3162, 3166, 3168
FlashID0: 0020 881C [ST M58LR256JU,256 Mbits] page size: 128 K type: NOR area: 01000000-02FFFFFF - COMBO FLASH
ExtBUSC: AD7E B61A 1BBE 0BE2 7D58 6BE4 DBEE 6514
Algorithm: u3_intel.fia [DCT4 ALGORITHM] version: 4.76.0 revision: 0.7 size: 0x56A0
Supported Ids: 3040, 2292, 2293, 3162, 3166, 3168
Performing Flash Authentication ...OK
UEM ID: 0007AD6B:3B8ADA60
Area [01000000-0101FFFF] erased in 0.578 s
Area [01080000-0109FFFF] erased in 0.579 s
Programming ...
Programming completed.
Phone not responding !
Phone not responding !

ASIC ID: 0x3162 [UPP_8M ver: 6.2]
SecondaryBoot: u3_2nd.fia [DCT4] version: 4.76.0 revision: 0.7 size: 0x9A8
Supported Ids: 3040, 2292, 2293, 3162, 3166, 3168
FlashID0: 0020 881C [ST M58LR256JU,256 Mbits] page size: 128 K type: NOR area: 01000000-02FFFFFF - COMBO FLASH
ExtBUSC: AD7E B61A 1BBE 0BE2 7D58 6BE4 DBEE 6514
Algorithm: u3_intel.fia [DCT4 ALGORITHM] version: 4.76.0 revision: 0.7 size: 0x56A0
Supported Ids: 3040, 2292, 2293, 3162, 3166, 3168
Performing Flash Authentication ...OK
UEM ID: 0007AD6B:3B8ADA60
Area [01000000-0101FFFF] erased in 0.562 s
Area [01080000-0109FFFF] erased in 0.563 s
Programming ...
Programming completed.