I decide back to 2.3.7 ROM my LG P500 Android phone for more responsive. .
Here I record what I've done about backup/upgrade/restore process.
Prerequisite:
- Rooted
- ClockWorkMod Recovery installed,(Using ROM Manager to install is easier method)
- Install Packages:App List Backup, ROM Manager, Online Nandroid Backup
- Backup by tool(App List Backup, Online Nandroid Backup)
- Backup by manual (packages which installed personally):
- Backup Call logs
- Backup SMS
- Backup AndroMoney's record
- 費欲輕: 9th
- ex撥號:Settings/Advanced/Backup
- LIME-HD:初始化資料庫/備份資料庫
- Download ROM (see history below)
- Upload to SD card by AirDroid or other method.
- Reboot to 'Recovery' mode.(Home+Vol_Down+Power)
- ClockworkMod Recovery v5.0.2.0 ('Menu/Home':select, 'Search':Enter, 'Back':Back)
- Wipe data/factory reset
- Wipe cache partition
- Go Back
- 'mounts and storage' do: -> format /system
- Advanced/Wipe Dalvik-Cache
- Advanced/Wipe Battery Stats
- Go Back
- install zip from sdcard
- Go Back
- reboot system now
- Skip the account login (Because I use 2nd phase login which requires phone operation workable)
- for Google 2-step verification log on Android 2.3.x, check google page.
- Try restore manually at first.
- System Settings/Account/Google Account
- Install Link2SD, enable ext4 and auto link
- Use App List Backup manually restore required apps
History:
- 2012/12/11 ICySNAP v1.2 FORYOUREYES | ICS 4.0.4 | LGE 3.1 UI
- Problems
- Automatic Reboot after CPU set as 806, press camera
- Google Market download speed is very slow(It seems caused by d2ext).
- d2ext is not stable
- 2012/12/26 changed to AOKP 4.0.4 23/12/12 ROM
- upgrade zips
- aokp_p500-ota-eng.parvez.m6-031212.zip
- gapps-ics-20120429-signed.zip
- After Upgrade Settings
- System Settings/AOKP Settings/Performance(SMARTASSV2, 122~787 Mhz, set on boot)
- Problems
- voice search not workable
- Text To Voice can NOT work (both Google Voice or pico TTS)
- automatic reboot:
- installing facebook(SOLVED)
- turn off Link2SD's automatic link function
- install facebook
- manual change facebook to link in Link2SD
- setting of 超注音 (two days after installation)
- playing "zookeeper battle"
- 2013/01/07 planning to change another older ROM for stable consideration.
- 2013/01/25 Change to ICySNAP v.6 & CAF-ICS kernel
- upgrade zips
- eng-070113-ICySNAP-v1.6-SKYFALL-FINAL-LGEUI3.1-CM9.1.5_signed.zip
- caf-p500-20121202_1748.zip
- After upgrade 'su' commands(in 'terminal' application):
- unpatch
- bootfxoff # DISABLE BOOT SOUND
- dslog # DISABLE LOGCAT
- zip # ZIPALIGN APP'S MANUALLY
- emissions
- Performance
- SMARTASSV2, 300~600 Mhz
- 2013/05/06 Downgrade to Oxygen 2.3.2 (Android 2.3.7)
- upgrade zips
- After Upgrade Settings
- Settings/CPU settings(SMARTASSV2,320~748Mhz)
- Google Market Login (for two steps login account)
- Problems
- download 3 Apps at the same time in Google Play caused all download thread stopped
- google play download problem error code 492 , another solution
- 2013/06/01 Try to recover a bricked LG P500(boot and see LG logo only),ref 1, ref
- Download LG Mobile Support Tool
- In LG Mobile Support Tool
- Menu->Customer Support->Application, Manual & USB Driver Download
- Enter IEMI it will detect your model, double click 'USB Driver' to download it
- Menu->Customer Support->Recovery Phone (It is uesless, just skip this step)
- Enter IEMI it will detect your model
- Prepare KDZ_FW_UPD.EXE tool
- TYPE:3GQCT, Phone MODE:DIAG, File:V20E_00.kdz
- Let phone enter 'Emergency Mode'
- remove battery & usb, hold vol_up + back (Don't release till FINISH) , plug usb to PC, install battery, the yellow screen will show
- Press 'Launch software update'
- Hold and wait about 3~5 minutes and the KDZ_FW_UPD will show 'FINISH'
- release vol_up+back, unplug usb, power on your phone
- wait about 3 minutes for boot, if not successful, press VolDown+Home+Power to reset
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