[andy_jpn]

SOFTBANK 730SC, 821SC, 820SC UNLOCK
READ This before Flash firmware

Important!

Don't flash CAMERA Patch before unlock.
If you flash camera patch before unlock then flash back normal firmware and UNLOCK.


Q. Why after unlock my country have 3G network but phone is always no signal?
A. Flash to unlocked phone "730SCIA3_camera_patch.crp" then your phone can get 3G network.

Q. Please tell me how to write FW step by step.
A. Flashing firmware only via USB cable - can use 2in1 cable or original cable from phone box.

Steps:

1 - switch power your phone to boot mode ( * + power ).
2 - Select Model 730SC
3 - Select Firmware
4 - Connect USB cable to your phone,
and setup driver from folder x:\program files\z3x\samsung\qualcomm\samsung drivers\
5 - Click " Search phone "
if SW can not detect USB port remove USB cable from phone and reconnect, go step 5 again
6 - Click " Update frimware "
7 - Confirm window will appear then click YES.
8 - Wait Done and will reboot itself.

Don't try to phone more older version, you will have error.

Q. Always get ERROR when unlocking.
A. Connect ONLY RJ45(com cable) then unlock again. Unlocking only via COM parts of 2in1 cable.


Q. Put com cable only but " unable to find phone " why?
A. Check com cable. May reverse TX and RX line.


821SC Softbank Unlock w/ camera ok


Cable used:E210

Procedure:

1.Connect E210 cable usb/rj 45
2.Check 2 in 1 cable & Qualcomm mode
3.Search phone
4.Press unlock




After unlock success..

Next step (Flashing)

1. download multimidia & network unlock patch and load
2. removed rj45( use usb only )
3. hold * + power on
4. install all phone driver if needed
5. ticked update firmware

note: wait until phone rebot as normal