1.1.4 has many enhancement compare to 1.1.2. google it for details.

for upgrade from 1.1.2 to 1.1.4, see my step by step guide here: http://www.lessthanten.net

NOTE: you need to restore the new firmware so your data will lost.

every update need restore,and data lost.. my god. Any other way to keep data..lets say,sms?calender app.?application data?

after restoring, itunes will ask if you wanna backup or create as a new iphone, mate

after restoring, itunes will ask if you wanna backup or create as a new iphone, mate

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Added on March 11, 2008, 5:32 pmlast week alone, i restored to and from 1.1.3 to 1.1.4 like three times (courtesy of frozzbyte), and everything was preserved. so not to worry mate.
but you will have to add the sources and third party apps again. thats the only drawbacks

backup include everything?
In default for 1.1.4, application will install in which disk?
diskOs1 or diskOs2? without installing bosstool.

har? that im not too sure feizalII. thats because each time you dock your iphone with itunes, you will realise that a sync process is going on.

that will occur, regardless if your iphone is JB or stock

har? that im not too sure feizalII. thats because each time you dock your iphone with itunes, you will realise that a sync process is going on.

that will occur, regardless if your iphone is JB or stock

including applications that have been installed?

backup include everything?
In default for 1.1.4, application will install in which disk?
diskOs1 or diskOs2? without installing bosstool.

mmm...the apps data will not backed up.
oww...btw if u use iPlus 2.0 it will install BSD and also move ringtones and fonts to the larger partition. but still u need to use bosstool to move application folder.

1)i have order 1 iphone from us, so how do i check the serial number? is it just key in *301*12345*# then dial ?? how to identify whether it is 1.1.4 or else?

- which version also works, i got mine is 1.1.2 but restored to 1.1.4. no worry.

2)after that i can just use ziphone 2.5c " DO IT ALL " button and go to advance features to untick the "downgrade bootloader " to unlock the phone.

- Try to DO IT ALL 1st, if not, only try other method. no worry, your phone can be restored as many times as you want.

3) Do i need to insert the sim card b4 unlock ?

- i put in SIM card after unlocked.

4) do i need to install bsd subsystem b4 install app installer?

- see my guide here, step by step - www.lessthanten.net

5) how do i install the App installer?

- the app installer is there by default.

6) How do i install my donwloaded software using App Installer?

- you actually install the software directly from iPhone via Installer. no need download 1st.

Do i need uninstall all my 3rd party appz, uninstall bosstool,manual move back the app path to diskOs1,then only proceed my restoration and upgrade 1.1.4?

no need to to uninstall, just perform the restore.
and yes, u still need that bosstool

i wondering.. SDK i came out. Many appz will release soon.
If no bosstool.. 300mb sufficient for those application?

Yeah lor.. just request termination by maxis... then can sleep soundly..
no nightmares! haha.....no need to install an additional app just to
off it too. such a good solution, WHERE TO GET?! 

there is an APP from this repo source  www.trejan.com ... try and google some keywords on it ...
keywords: trejan.com  battery  HWinfo installer repository

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Added on March 11, 2008, 12:11 pm

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Any iPhone purchased from Apple Store in the US need not to be activated on the spot, rite? But it sure comes with a 2-year AT&T subscription, rite?

saw the website but by using 1.1.4 firmware.
i cannot locate the iphone app/directory using iphonebrower.

is there any other alternative ways to access to the iphone directory so the battery.app can be import in it.

or you can simply put a wrong EDGE setting, so the EDGE doesn't work.

Setting -> General -> Network -> EDGE