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KT Debug
USIM Status
USIM State
Activation State
LTE Status
Connection
MCC
MNC
Band
EARFCN
BandWidth
GUTI
PCI
CELL_ID
TAC
RSSI
RSRP
RSRQ
SINR
PDRX (ms)
RRC_STATE
EMM_STATE
EMM_CAUSE
ESM_CAUSE