Sony Ericsson A2
Basics
- a2 phones can only be served in signed mode.
- same firmware can be flashed on allowed CID range, you can see CID range in fw name
- firmware for specific phone domain (color) can only be applied to phone with same domain
Quick Navigation
FLASHING 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.
UNLOCKING 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 49,51,52,53
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 80,81
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.
if s1 signature server offline, you can not use quick (without modem drivers) unlock.
instead, you should :
1. select proper model
2. on settings, check
"signed mode",
"do full unlock instead usercode reset",
"disable flash mode activation for semc a2 phones",
FILL LOGIN DETAILS
3. back to semc a2 tab, press unlock
4. when prompted, install phone modem drivers
(they can be found in drivers\Modem_Drivers or will be automatically installed if you install semc pc suite)
5. when you will get message "unlock done" - do not remove cable or battery,
wait until phone automatically power on, otherwise you will get 5 locks and need to repeat procedure.
you can not unlock last SEMC A2 phone ( j108 ) with CSCA method, use special bypass mode.
you MUST flash r7cXXX firmware version to be able unlock w20 phone with CSCA method.
PROBLEMS AND RECOVERY
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 ( for k850 - sofia_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
(exception should be done for latest db3350 phones: w20,j10,j20 - aino_ta.ssw will not work for them)
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.
alternative way, need to use at least setool2 1.08
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. select in misc. edit proper gdfs package, DO NOT unzip gdfs package, just select it as is.
4. on settings, check only signed mode
5. press write gdfs
6. unlock phone using alternative security bypass mode
7. reflash phone fully.
phone does not startup or stuck on "please wait"
unlock phone using alternative security bypass