first thing i see is juice defender, got try uninstall it and test?
2nd comment: try dun use wcdma only, use auto instead and ur using a custom rom or stock?

Not phone problem... Go fark Digi...

Im using Digi too and I have to say their service is getting suck after a year. Im gonna change to Maxis next year. If 3G is not working, switch to EDGE lor. Cant do anything about it. Dont believe then buy a Maxis prepaid card and load 500MB and try again. Im so fed up with Digi nowadays that I resort to carrying a second phone with Maxis line.

Bro, did you ever try different telco simcard in you SGSII

i) intermittent reboots >>>never happen before
ii) freezes and hangs >>> network connection(3G) hang? once after reset then never happen already
iii) overheating when i charge the phone >>> how hot is your phone?

Erm, all I can say is Digi sucks for indoors.

In my house alone (how big can it get right?), I can get signal varying from 3bars of H to 0bar on even EDGE. My wife N8 cant even get through in certain places of my house plus my ex-HTC Legend also same. Im getting slightly better signal on the plastique S2. Sometimes the H does not response at all regardless of the bars. Sometimes getting full 1Mbps with just 1bar on H.

I tried so many phones (Nokia N8, C7, E6) with Digi Smartplan. Only certain places really offer good signal and speed like Kampung Baru Sungai Buloh, certain crowded places in Kepong like Aman Puri, Jinjang Utara, etc. Even in these area, once I get indoors, the signal drop like hell. There was a restaurant in Jinjang Utara where I get only 6x kbps but once I get out of the building, full speed. Thats the only thing I really hate about Digi. Maxis signal can penetrate walls but not Digi. No signal at all in Tesco Kepong LG floor but Maxis full bar on 3G. Went up to G floor and Digi can get 3bar on H. Just one floor difference.

Reset your phone and try again see how lor. If not flash to other official firmware see it helps or not.

I think you also experience this quite a lot. When the phone show got signal, but you cant make outgoing calls. It got cut off for few minutes then try again, its ok.

1. Set the Network mode to AUTO
2. Is your DIGI APN correct - default is diginet ; if you are using those internet package is 3gdgnet
3. Did you try change simcard ? One time, I have such issues with celcom simcard - erratic inconsistent performance of locking onto internet. Adfter I change simcard was OK

If still same issues, ask for replacement

I am a very happy DIGI user unlike some users here. Now all my smartphones plus all my family members on Digi. I rarely faced those signal issues mentioned by some users. Most import while on the road/highway it never fail me, worst was Maxis which I will never touch it again. Celcom is equally good but I last switch one of my Celcom line as I find while testing with Digi on other phones equally good and Digi with smartplan is cheaper and I need not pay the compulsory RM50 every month for calls/SMS on the postpaid Celcom line

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Added on August 20, 2011, 2:40 pm
Read page 1, post #5

ill give another two or three days.

i already discharge my phone to 0%. now charged it fully and will wipe batt stats through cwm. see if it improve.

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Added on August 20, 2011, 4:29 pmanyway. is there any widget that i can put as an icon..and that icon link to my camera. i want to access my camera on the lockscreen (fast access) .. i want some nice nice white icons...

Try what Uncle Benny advice you first. The reason try to change your telco network is to eliminate the possibilities of phone hardware/software defect. It is not necessarily because your former telco is not good.! If TWO different telco simcard bring you the same result then 99% chances are your phone had defect and better go for replacement.
If all the sudden your phone can be used after you change your telco, that's mean something wrong with either your DiGi simcard or your phone setting.
If this happen, instead of going to Samsung Service Centre now you had to go to DiGi Service Centre for checkup.
And NO, no need trying flash any custom rom. This kind of problems need to be solve in the your original stock firmware. Except on certain condition like camera pink spot, custom roms can be considered cosmetic changes only. In other word, to enhance and customize to suit your need. And that will only come if your basic firmware/hardware is in good condition.
Hope this help

One of the user has PM me this message. I have asked him/her to post it but he/she hasn't, probably worried will kena flame ; but I do agree with him/her
Basic phone functions must work well with stock rom. You don't go and flash cook roms to solve it. Basic functions refer to:
- call , SMS, MMS
- 3G/Edge connectivity to internet
- camera , must work well with all features builtin
- touch screen responsiveness , must be super smooth and does not lag on stock rom without 3rd party installs. 3rd party install ( esp those cracked/warez ) will at times affect screen sensitivity and responsiveness
- bluetooth connectivity
- WiFi connectivity ( test with other wifi spots if you have issue with certain WiFi spots)
- GPS should be fast and quick; mine consistently and without fail wherever I go, connects within seconds  ( not more than 5 secs ) - Papago X5, Google maps, Sygic Aura.  My car is factory default  light tint so tinting factors does not affect me. Having 3G data enabled helps alot for quick/immediate lockup. I always has immediate, max 2 secs lockup using Sygic Aura

Here goes, I quote his/her PM to me : QUOTE -

Uncle Benny,
Sorry if my PM arrival disturb you but i feel i need to give my opinion/suggestion about thing that lately i find quite disturbing.
I've noted some of our members are very quick in pointing/suggesting flashing custom rom for every problems when other members (in stock rom) stating their problem in the forum and looking for answer/advice.
I know that some problems can be eliminated when we flashing custom rom (exp : pink spot in camera). But for some other problems, i think it should be handle within the stock rom itself without need to flash custom rom (exp : phone rebooting itself, freezing, force close, screen defect, network connection, overheating etc..)
What i'm trying to say is, aren't we suppose to advice/helping other members finding the root/cause of the problem while it's still in the stock rom rather than suggest flashing custom roms to eliminate the problem. (exp : find and uninstall roque app, test whether photos, videos, songs, files or the sd card itself corrupted that make the phone lag or freeze INSTEAD OF flash custom rom because it can make your phone faster.!!
I find this type of advice is misleading and who knows it can worsen the phone condition in long term.

Hard to say really. Any prove?

I knew more than 10 owners and 1 person who bought 7 units for his whole family. All are happy with it except for wanting chinese menu so badly.
Helped him flashed 4 units and earn some money for 3 persons bah kut teh.

Got problem meh? Even Apple has quality issues. If you can achieve 0% defects, many companies will want to hear from you and reward you handsomely.

I have recorded nearly 700 users. How many users complain about defects n poor quality  , less than 30. So are the rest happy - we don't know or they are too shy to complain
Even too shy to praise?
Let not some complains be taken as a fact all phone affected
I feel some complains are just too microscopic assessment.  Geez sometimes I think they bought a rm20000 phone expecting s perfect 10/10