Рут получил с помощи iRoot_1.8.9.21144_cid1005 
после Z3x: Operation: Repair
Selected model: SHV-E270K
Software version: 29.3.1
Waiting ADB device... OK
Reading phone info...
Model: SHV-E270K
Android version: 4.1.2
Product code: 
Phone version: E270KKKANB1
PDA version: E270KKKANB1
CSC version: E270KKTTANB1
CSC country code: KOREA
CSC sales code: KTT
HW version: 
Phone SN: 
Modem board: 
RF cal date: 
IMEI: 000000000000000
Checking Super user right... true
Reading NV data... OK
Security damaged
Done with Samsung Tool PRO v.29.3.1