Cần giúp Unlock LG MS870

AE làm qua rồi coi dùm mình con này unclok xong có sóng ko zậy

Smart Phone
Form Factor	Bar
4G Technology	CDMA, LTE*
Processor	Qualcomm® Snapdragon™ 1.2 GHz Dual-core, Dual-channel, Single LTE Chipset
Network	Tri-Band/Dual-Mode/LTE B2, B4
Frequencies	1.9 GHz CMDA PCS, 800 MHz CDMA, 1.7/2.1 GHz AWS***
Data Transmission	EVDO, 1xRTT, LTE
Dimensions	5.08" (H) x 2.61" (W) x 0.37" (D)
Weight	4.3 oz.
Display	TFT, 960 x 540 pixels, 4.5"
Touch Screen	Yes
Battery Capacity	2,150 mAh
Talk Time	Up to 7 hours (in 1x only)*
Standby Time	Up to 200 hours (in 1x only)*
Internal Memory	4.3 GB internal memory
microSD™ Memory Slot	Supports up to 32 GB memory card**
*	Certain features may use more power and cause actual time to vary.
**	MicroSD cards sold separately.
***	All listed frequency support is network/carrier specific. When roaming, network specific frequency support may not be available. Check with your network provider to see if and to what extent they offer support for this device.

 

mod nào remove dùm e qua múc lg vs

 

2G network	CDMA 800/1900
3G network	CDMA2000 1xEV-DO
4G network	LTE 1700/1900/2100 (Bands 2,4)
Data network	CDMA2000 EV-DO Rev A, LTE

Con này đời cũ của Sprint, CDMA Only.
LTE B2 B4 không hỗ trợ ở VN.
Unlock xong cũng không dùng được GSM. LTE thì không có bands, nếu có vô dc LTE thì cũng chỉ có Data không có Voice. Back luôn cho đỡ mất thời gian nha bác