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How to work with A2-based Phones

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Date added:
Monday, 03 May 2010
Last revised:
Monday, 03 May 2010
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Answer

FLASHING OF A2 PHONES

common for all CID:

1. go to semc a2 tab, select proper model
2. add to firmware area correct MAIN, FS IMAGE parts of firmware. order not important.
3. select in misc. field needed CUSTPACK (.zip archive with customization files)
4. if you do not have CUSTPACK, you MUST check on settings "customize phone after flash"
5. set "signed mode" on settings tab.
6. set other settings according your needs.
7. back to semc a2 tab, press flash.

CID 54,60,185,186

skip step 3,4.

UNLOCKING OF A2 PHONES

CID 49,51,52,53


standalone usercode reset

1. select proper model
2. on settings, check "signed mode"
3. back to semc a2 tab, press unlock


CID 49,51,52


standalone full reset-based unlock


1. select proper model

2. select needed domain (leave "current" for no change)
3. on settings, check "signed mode","use alternative security bypass"
4. back to semc a2 tab, press unlock

that method can fix damaged SCRC and fixing SEMCBOOT automatically.

that is preferred method for such phones.

server-based full signature unlock


1. select proper model

2. on settings, check "signed mode","do full unlock instead usercode reset",fill login details
3. back to semc a2 tab, press unlock

that method
can not fix SCRC.

CID 53


server-based full reset-based unlock


1. select proper model

2. select needed domain (leave "current" for no change)
3. on settings, check "signed mode","use alternative security bypass", fill login details
4. back to semc a2 tab, press unlock

that method can fix damaged SCRC and fixing SEMCBOOT automatically.


server-based full signature unlock


1. select proper model

2. on settings, check "signed mode","do full unlock instead usercode reset",fill login details
3. back to semc a2 tab, press unlock

that method
can not fix SCRC.
that is preferred method to unlock such phones.

CID 54,60,185,186


standalone full unlock


1. select proper model

2. on settings, check "signed mode"
3. back to semc a2 tab, press unlock

that method
can fix SCRC.
that is preferred method to unlock such phones.

POSSIBLE PROBLEMS AND METHODS OF REPAIR

CID 49,51,52,53


damaged trim area (ta_open errors)


1. select proper model or model,based on same chipset

2.
skip that step, if phone already r&d (brown).
convert phone to r&d (brown) domain, for that unlock phone in alternative security bypass mode with brown domain set.
3.
if your phone based on db3150 chipset - add to firmware area Shinobu_TA.ssw
if your phone based on db3200 chipset - add to firmware area elle_ta.ssw
if your phone based on db3210 chipset - add to firmware area Shiho_TA.ssw
if your phone based on db3350 chipset - add to firmware area aino_ta.ssw
4. set ecc mode: none (0)
5. on settings, check only signed mode
6. press flash
7. get gdfs package from proper model working phone, add it to misc. field
8. press write gdfs
9. unlock phone using alternative security bypass mode
10. reflash phone fully.

phone does not startup or stuck on "please wait"


unlock phone using alternative security bypass


CID 54


phone stuck on lg logo.

first reflash phone fully with latest firmware version.
if that not help, then

1. select proper model, on settings check only "signed mode"

2.
if your phone db3150,add to firmware area kf75x_syspart_fix.ssw
if your phone db3200, add to firmware area gt505_syspart_fix.ssw
3. press unlock
4. press clear name
5. reflash phone fully

if phone still hangs on lg logo, redo operation with different step 2:

2.
if your phone db3150,add to firmware area kf75x_syspart_fix.ssw,kf75x_drm_fix.ssw
if your phone db3200, add to firmware area gt505_syspart_fix.ssw,gt505_drm_fix.ssw

6. if needed, write gdfs package from proper model working phone, unlock phone after

CID 60,185,186


1. unlock phone

2. reflash phone
3. if needed, write gdfs package from proper model working phone, unlock phone after

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