[REF]Index:Please Read This Before Post!!! - XPERIA X10 Android Development

this thread will list all the information that needed for newbies and dummies which may have a problem using the search button before posting and messing the thread...
read carefully, it might help u..
just for reference only..
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OFFICIAL SE ROM:
Tutorial to install & tools : HERE
Standard application : HERE
List of Apps that Can be Removed : HERE & HERE [Thanks to rendeiro2005]
2.1 AOSP:
[ROM] X10 Custom ROM AOSP : HERE
Tutorial to install : HERE
AOSP 2.1 ROM Bugs and Fixes : HERE
2.2 AOSP:
[ROM] X10 Custom ROM AOSP : HERE
Tutorial to install : HERE
Xrecovery a.k.a recovery menu:
Tutorial & discussion : HERE
Rooting:
Tutorial & discussion : HERE
APN setting : HERE
ADB debugging:
Tools : HERE
Tutorial : HERE
App2sd : HERE
Root Explorer:
Mount R/W button location : HERE
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OFFICIAL ROM:
Q : i want to flash my x10 for warranty
A : go to the "OFFICIAL SE ROM : Tutorial to install & tools"
Q : SE theme is suck. need other theme
A : go to "2.1 AOSP:Tutorial to install" and read post #2
Q : i want to install application in SD
A : go to "App2sd"
Q : it lagg. i want delete application
A : go to "OFFICIAL SE ROM : List of Apps that Can be Removed"
Q : i false delete my application
A : get at "OFFICIAL SE ROM : Standard application"
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2.1 AOSP:
Q : i want custom rom 2.1
A : go to "2.1 AOSP:[ROM] X10 Custom ROM AOSP"
Q : i want to install but i am noob
A : go to "2.1 AOSP:Tutorial to install" and read
Q : i have a problem with xrecovery/recovery menu
A : go to "Xrecovery a.k.a recovery menu:Tutorial & discussion"
Q : i have a problem with installing 2.1
A : go to "2.1 AOSP:Tutorial to install" and discuss here
Q : after install 2.1 3g not working
A : go to "APN setting"
Q : i want root my phone
A : go to "Rooting:Tutorial & discussion"
Q : i cannot boot into xrecovery/recovery menu after install 2.1
A : go to "Xrecovery a.k.a recovery menu:Tutorial & discussion"[reinstall:use manual method instead the APK]
Q : i found a bug!
A : go "2.1 AOSP:AOSP 2.1 ROM Bugs and Fixes" to discuss and find solution
Q : i get random reboot
A : its normal
Q : this ROM is not stable
A : reflash back to OFFICIAL SE ROM at "OFFICIAL SE ROM:tutorial to install & tools"
Q : i'm not satisfy with 2.1 AOSP
A : reflash back to OFFICIAL SE ROM at "OFFICIAL SE ROM:tutorial to install & tools"
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2.2 AOSP:
Q : i want custom rom 2.2
A : go to "2.2 AOSP:[ROM] X10 Custom ROM AOSP"
Q : i want to install but i am noob
A : go to "2.2 AOSP:Tutorial to install" and read
Q : i need ADB Debugging
A : go to "ADB debugging:Tools"
Q : i dunno how to install it
A : go to "ADB debugging:Tutorial"
Q : after install i get no signal
A : open adb shell and type "killall servicemanager"
Q : i want root
A : its already root
Q : it still unroot
A : open adb shell and type "chmod 4755 /system/bin/su"
Q : i want to load 2.1 as priority
A : replace chargemon file in system/bin. get it at "2.2 AOSP:[ROM] X10 Custom ROM AOSP"
Q : cannot paste chargemon. warning pop out
A : hit mount R/W. see "Root explorer:Mount R/W button location"
Q : i cannot mount/open sdcard
A : 2.2 AOSP using sdcard to load so sdcard cant be access when using 2.2
Q : not stable. no audio whatsoever
A : it suppose to be that. known issue
Q : i'm not satisfy with 2.2 AOSP
A : delete FreeX10 folder(sdcard/FreeX10) and chargemon file(system/bin)
Q : cannot delete chargemon. warning pop out
A : hit mount R/W. see "Root explorer:Mount R/W button location"
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Xrecovery a.k.a recovery menu:
Q : i want to install Xrecovery a.k.a recovery menu
A : go to "Xrecovery a.k.a recovery menu:Tutorial & discussion"
Q : installation ok[all button have green tick] but cannot boot into it
A : go to "Xrecovery a.k.a recovery menu:Tutorial & discussion"[reinstall:use manual method]
Q : i still cant boot into even using manual method
A : repeat the manual step [people often successful using manual method]
Q : i lost my recovery menu
A : go to "Xrecovery a.k.a recovery menu:Tutorial & discussion"[reinstall:use manual method instead the APK]
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Root explorer:
Q : i dont see any link to download root explorer
A : use "Go0gLe"
Q : it hang for a second and error restart pop out
A : u forget to allow from superuser
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i can list this only for this time...
but will be updated when there is update...
who want to contribute is welcomed...

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tweaking using build.prop [thanks to rendeiro2005]
lcd density [change the way you see your screen]
- ro.sf.lcd_density=200 (some value between 200 & 240)
the lower the value smaler apps run/start faster but bigger ones may lag or FC. bigger the value smaller apps start slower but bigger oner like games timescape, etc run much faster.
- davik.vm.heapsize=36 (some value between 4 & 40)
the maximum events that android runs at the same time [bigger the value less FC but may increase ram usage]
- windowsmgr.max_events_per_sec=200 (some value between 30 & 300)
the time your screen goes off when receive a call.
- mot.proximity.delay=150 (some value between 0 & 300)
auto search wifi in sec. the default value is 60 so every min phone starts to search wifi spots increasing battery usage. bigger the value less auto search
- wifi.supplicant_scan_intrerval=360
to change this use root explorer and mount rw[see Root explorer:Mount R/W button location], edit and then reboot

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reserved...