firmwares and their features...

S5620OXAIL4
Features:
1:Amazing two tone themes
2:Well organized and and amazingly powerful
    TASK MANAGER (I had run 26 applications at once)
3:Back key(Touch Back button)
4:Beautiful Keypad
5:Fastest ever
6:loads sim in less than half second
7:New Calculator
8:GPS works well

... and all other features of S5620 Monte firmware

 

 

S5620XXJE4

Features:
1:Flash(Flv) Support (In browser as well as for mods and patches)
2:Quite fast
3:Supports many languages (All European languages, includes English)
4:Signal strength increased

MFJF1:

PROS:
nice and somewhere stable
average performer in all aspects
good gps
can be modded remarkable

cons:
average performance
good touch response
response in phone settings horrible

xxjf2:
pros:
most stable
fine gps
good signal reception even in third level
cons:
drained my battery like anything(gps and reception)
java apps hanged a bit
cannot be modded (only menu)

xeji2 jal1
pros:
fine gps(accurate but google maps showed my position somewhere in srilanka)
battery retainity
cons:
girlish pink ribbon style not for men
just 5 minutes gps drained my battery
phone settings response horrible(same as mfjf1)
3g reception horrible(in all three levels)

dxjj1
pros:
touch driver updated best response
added menu calender and asian widgets
added wallpapers
cons:
most horrible firmware experienced since
gps data doesnt download and if it does then gps is s**t
baterry retain average
3g reception average
jst good for messaging as touch feels better

found mfjf1 best of the lot

xeji2 does not have dictionary
crashes some times during gps or java apps
gps refresh rate horrible

xxja4
pros:
multitasking
average battery retain
task manager

cons:
gps not too acurate and refresh rate moderate
touch average
3g reception fluctuated at level 2

 

Firmware:
S5620JTJL2
Features:
qwerty keypad
         speedy
         gps refresh rate fair and accuracy good
         good battery retainity as compared to mfjf1
         feather touch
         stable
         back button when checking balance(grey window)
  source-darkforestgroup