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 Flashing/Customizing your Sony Ericsson P1i firmware

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conrad

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Number of posts : 108
Age : 41
Location : Philippines
Registration date : 2008-09-27

PostSubject: Flashing/Customizing your Sony Ericsson P1i firmware   Sun Oct 19, 2008 8:00 pm

Flashing/Customizing your Sony Ericsson P1i firmware



::compiled February 19th, 2008




My P1i was pre-flashed with HK firmware. So, did some surfing on the
net and wanted to flash the firmware to General World 1 firmware as GW
firmware normally get patched faster than other region based firmware.
Well, tried the latest GW1 firmware (released in 2/2008), and felt
nothing really shine-up in comparison to the HK firmware (except for
the anti-aliased fonts), and I also found a bug this firmware handle
the transition effect, it hangs me once when I keep on tapping “MORE”
and “CLOSE” on the standby screen. It freezed, and everything went
super slow from there on. So, I re-flashed my P1i to Singapore region
firmware (with simplified chinese input, which released in 1/2008).
Flashing the P1i (infact for P990, m600 as well) firmware was pretty
much easy nowadays, talented programmers over the world and the trend
of sharing already became a practise in this technology era. You could
get everything pretty much for FREE, especially SOFTWARE. (which
normally ZERO cost… except some juice of your brain and some time
wasted!)
Okay, I think I should share this SINCE I find it pretty easy to do.

disclaimer: I’ve tried these steps and it works for my case, all
software throughout the entire flashing process were obtained from
elsewhere (not in this blog), so use it at your own risk. I bear no
responsibility if you accidentally broke your phone. Disagree with this
disclaimer, please do not proceed.

Tools required:
- XS++ (i’m using version 3.1, you may get it from HERE)
- SEUS (Sony Ericsson Update Service, you may get it from SE official website)
- USB data cable that came with your P1i
Jargon used:
CDA - it’s a code Sony Ericsson used to determine the phone’s region to
ease the firmware update, each region has it own pre-customised
settings like fonts used and etc.
Note:
XS++ is capable to change your CDA to any available CDA from the list
itself, those were not in the list you’ll have to get the CDA hexdump
(in .txt) elsewhere.
Guide 1: Flashing to General World’s firmware (from HK or other region’s firmware)
1. Turn off your P1i (remove battery and place it back) and run XS++
2. Tick ‘Smartphone’ and click Connect button
3. Tick ‘GDFS’, and then Click on ‘backup GDFS’ button
4. Wait until it’s done, then unplug your P1i and close XS++
5. Remove your P1i’s battery and place it back
5. Run XS++ again, then tick ‘Smartphone’ and click Connect button
6. Press and hold on ‘C’ button on P1i and then connect using the USB cable
7. Wait until it finish detect your P1i (show with some green texts)
8. Choose select ‘P1i_xxxxxx_GW1′ (note the GW1), and then click ‘Run Script’
9. Wait until it finish flashing your CDA code
10. After done, run SEUS and follow every steps given.
Guide 2(a): Flashing BACK to Singapore firmware (use this
guide if you want Singapore firmware back, CDA95 - with simplified
chinese input)

Before you start, you need to download CDA95.txt to change back your CDA to singapore region. You may get it HERE, then put it somewhere in your PC, you will need it to change the CDA back to Singapore region later.
1. Turn off your P1i and run XS++
2. Tick ‘Smartphone’ and click Connect button
3. Press and hold the “C” button on your P1i and connect with the USB data cable
4. The XS++ will detect your P1i and start to dump some text on the screen
5. Wait until it stops with some green texts showing
6. Go to GDFS section (tick it) in XS++
7. Choose “cda95.txt” in the “Script” option and click RUN Script
8. When complete, reconnect your phone to XS++ and check CDA has changed to /95
9. Now, you may proceed to update your Singapore Trade firmware (with simplified chinese input) via SEUS.
Guide 2(b): Flashing BACK to HK’s firmware (use this guide if you want HK firmware back)
1. Turn off your P1i and run XS++
2. Tick ‘Smartphone’ and click Connect button
3. Press and hold the “C” button on your P1i and connect with the USB data cable
4. Tick GDFS section and click on backup GDFS button
5. Wait until it finished
6. Unplug the USB cable and close XS++
7. Turn off your P1i, remove the battery and put it back
8. Run XS++ again, Tick “Smartphone” and click Connect button
9. Press and Hold “C” on your P1i and connect the USB cable
10. Wait until XS++ detected your P1i and stop at some green texts
11. Choose the Hong Kong /74 CDA from the drop down menu and execute.
12. Wait until it finished then unplug your P1i and close XS++
13. Now, you may proceed to flash HK Trade firmware (with stroke chinese input) via SEUS.
Enjoy!
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