Bạn làm theo trình tự nay nhé:

Code:
v0.914037

- added testpoint for db2020 phones.
  db2020 testpoint idea made by dre_ambox team. 
  as i respected that, i not included db2020 testpoint in setool2 
  for a long time. but anything ends sometime.
  now, setool2 users can enjoy gdfs db2020 gdfs repair.

  usage: 
  1. it is only and only for professionals. 
     users,advanced users, please "go away".
  2. testpoint is +3.3 voltage, connected to specific pin. 
     we suggesting to use +3.3v battery 
     (battery ground MUST be connected with phone's GROUND)
  3. go to emptyboard fill & repair.
  4. select any db2020 model.
  5. press "TP STAGE #1". read instructions and execute them.
  6. press "TP STAGE #2". read instructions and execute them.
  7. phone is BROWN now. 
  8. staying on "emptyboard fill and repair" write correct gdfs_in_ssw format.
  9. if flashing went fine, flash db2020 erom with needed CID.
  10. phone now retail and repaired. fullflash phone as usual.
  testpoint pictures (courtesy of drea_mbox team) included.
  after SETOOL2 db2020 testpoint procedure phone FULLY 
  working in "alternative security bypass" mode without ANY restrictions.
Goodluck.