how to unlock this phone?and how many cridits?

Chimera Mobile Phone Utility version: 19.43.1805 @ 2018-11-27
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Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G955U
Sales Code: TMB
Country Code: USA
Timezone: Asia/Karachi
Android Version: 8.0.0 [R16NW] [SDK 26]
Build Date: Fri May 4 11:47:37 KST 2018
PDA Version: G955USQS3CRE2 [may 2018, rev2]
Phone Version: G955USQS3CRE2 [may 2018, rev2]
CSC Version: G955UOYN3CRE2 [may 2018, rev2]
Product Code: TMB
HIDSw Version: G955USQS3CRE2/G955UOYN3CRE2/G955USQS3CRE2/G955USQS3CRE2
Board Platform: MSM8998
Modem Platform: MSM8998
Serial Number: R28J406GBRL
Imei: 355980080627528
Unique Number: 98891A333343594246
Connections: AT,MTP
Battery Status: 4.26V (93%)
Network Type: GSM
SIM Status: ABSENT
Multisim Config: SS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2018-05-01
Data Encryption State: encrypted
Successfully finished.
Finished at local time: [11.27.18 14:57:50]
WorkID: 48249904