1. yes u can
2. cannot,installment only can be made thru credit card
3. yes, its reset every month
4. check on the coverage in penang HERE

rm8 is only charge if u not exceed the free quota, if exceed u will be charge rm58 + extra charge(sms/call/mms) + 6% gov tax...u have to purchase the phone separately..n the contract period will be 24 months... 

yup, rm1990 need to be pay for the price of the phone,
yes, every month u need to pay rm53 if u dont over use the free quota provided(call,sms n mms)
no other charge will be in ur bill...
only certain credit card which is listed in THIS link is accepted..u may call digi helpline to clarify about this matter...

i dont think it will turn to yellow mate... 

Apple delayed the launch of white IP4 due to this "turning" yellow issue, and after 6 months delay, they have managed to ensure it wont turn yellow-ish.... so it should be safe...

But wont Digi be really happy if it does indeed turn full yellow....   

You can change to Digi and retain your current number, but it will take one day for the process to be completed...

The RM53 per month is your package minimum payment per month, and you will be given a fixed allowance (SMS, Data 1GB, etc)... so its the amount you pay per month, tied to contract period (12 or 24 or 36 months)... if i recall correctly, the diff is the longer the contract period, the lesser the amount you need to pay for the iP4...

The screen turning yellow is dependant on the screen itself and the manufacturing batch and the screen batch... it has nothing to do with the color of the iPhone... I have 2 3GS and both screen color are diff, yes, one is slightly yellow... but the screen have not turned yellow as compared to day one...

iP4 uses a different screen than the 3GS, the retina display... and so far there are not much complain of it...

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Added on August 15, 2011, 12:33 am
EDIT: Sorry, my mistake... the delay was due to the white not being uniform white, and they kinda rectified it...

White turning yellow is mainly due to the UV rays from the sun, and over time all white items will turn yellow... admittedly, iPhone whites will turn yellow but it may not turn too yellow too fast, maybe just in time for you to get iPhone6...??

Oh yea, why arent you waiting for iPhone5..??

rm200 rebate is deducted for from 1990..thats why i telling u the actual price is rm1790 but u pay rm1990 in which rm200 will be credited equally within 24 months of ur monthly bill.. 

The 200 deduction is one time deduction from the RRP price for the iP4 which is 2190, that is why you are paying 1990 for the iP4 16GB.  As for the 24 months deduction, it is the RM30 deduction from your iDigi 88 plan where the original fix monthly charges is RM88, but during promotion period u are paying RM58 for 24 mths (RM30 deduction over 24 mths)

Total saving is RM200 {one time} + (RM30 x 24) {RM58 = RM80 - RM30, over 24 months} = RM920

So your actual iP4 price is 2190 (RRP) - RM920 (total saving) = RM1270 (as advertised on digi website)

hope it help u to understand how it works

last week i go to sunway n see they got stocks for white set mate..try to go there in the morning to try ur luck... 

i go there to pay my monthly bills..see some customer purchase white sets at that time..better ask first at the counter before u take the number mate..if u go in the morning i guess they got quite number of stocks... 

not sure about it mate, normally when i call digi helpline they will know about the stocks....