J730 only work "E" and lte/4g/3g not work

j730g work fine (3g/4g/LTE) but now stop work 3g/4g/LTE and connect internet only "E".any idea to solve this problem.
Operation: Info
Selected model: SM-J730G
Software version: 33.5

Searching Samsung modem... detected COM3
Reading phone info...
Model: SM-J730G
AP version: J730GUBU4ARF1
CSC version: J730GUUB4ARF1
CP version: J730GUBU4ARF1
Product code: TPA
Phone SN: R58JC1953JP
IMEI: 353317096047783
IMEI2: 353318096047781
Unique number: CBJ00341DF43AB4
Reading IMEI... OK
IMEI: 353317096047783 (SIGN: OK)
IMEI 2: 353318096047781 (SIGN: OK)

Done with Samsung Tool PRO v.33.5