A205U carrier relock on U6

Hi, any solution for carrier relock on binary 6?

Code:

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Chimera Mobile Phone Utility version: 26.15.1618 @ 2020-09-28
Printing phone history

Carrier Relock
28/09/2020
22:33

Carrier relock started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-A205U
Sales Code: TMK
Carrier ID: TMK
Country Code: USA
Timezone: America/Havana
Android Version: 10 [QP1A.190711.020] [SDK 29]
Build Date: Fri Aug 21 16:51:55 KST 2020
PDA Version: A205USQS6BTH2 [august 2020, rev2]
Phone Version: A205USQS6BTH2 [august 2020, rev2]
CSC Version: A205UOYN6BTH2 [august 2020, rev2]
Board Platform: UNIVERSAL7904
Modem Platform: SHANNON327
Serial Number: R58MC2EALCW
Imei: 352741115539358
Network Type: GSM
SIM Status: PIN_REQUIRED
Multisim Config: SS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2020-09-01
Carrier relock...
The operation is in progress. Be patient! Do NOT disconnect the phone!
The withdrawn credits will be refunded within one hour.
Unsupported modem. Install an older firmware or modem and try again.
Finished at local time: [09.28.20 18:42:58]
WorkID: 109297131

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Hep please, BR