HOW TO WORK WITH A1-BASED PHONES

[the_laser]

UNLOCKING OF DB2020,PNX5230 PHONES

CID 36

that CID is obsolete and upgrade to CID 49 via recovery to CID 49, then writing corresponing EROM required.
recovery operation supported for such phones, damaged EROM can be restored without problems.

CID 49,51,52,53

CSCA method

1. select com/ufs/usb as interface
2. go to semc tab
3. select correct model
4. on settings tab, check "signed mode","do full unlock instead usercode reset"
5. back on semc tab
6. press unlock button

that is obsolete method for unlocking such phones.
it should only be used if you want to full unlock PNX5230-based phones.
you can not repair damaged SCRC via that method.

standalone patch unlock method via alternative security bypass

1. select com/ufs/usb as interface
2. go to semc tab
3. select correct model
4. on settings tab, check "signed mode","alternative security bypass"
5. back on semc tab
6. press unlock button

you can not use that method , if SCRC damaged ( IMEI mismatch in IDENTIFY output )
restoration files required for that method.
bypass packages required for that method.
please read FAQ post about alternative security bypass.

this method is removed from setool2 ( starting from v1.1280 ) and only used in PNX5230-based phones.

RESET-based method

standalone RESET-based method

1. select com/ufs/usb as interface
2. go to semc tab
3. select correct model
4. on settings tab, check "signed mode","alternative security bypass"
5. back on semc tab
6. press unlock button

that method is NOT supported on PNX5230-based phones.
that is recommended method to unlock DB2020-based phones.

recovery operation not supported for DB2020 phones, reset operation should be used in order to repair damaged EROM.
you can repair damaged GDFS, damaged SCRC via reset operation for such phones.