i think it is better to buy from Nokia retailers like Hello Station.
they don't charge me extra and the original silicon casing only RM39!

The one from the Curve, they are patient to explain things to the customers and served them well. I bought my 920 there!

When I go online with wifi, my battery can last maximum 2 days.
but when i use mobile data connection, it drains 15% per hour with whatsapp and facebook. Is that normal?

My phone is fully update to .1308.

I am still disappointed with the battery life.

is it normal that when i use mobile data connection, with messaging via whatsapp and facebook for 30 mins, my battery drained by this for 15%-20%.

but when i use wifi, it lasted me quite long.

when it is idle with mobile connection is on, just about 1-2% drain per hour.

smartphones from other brands got such issues?

i have never used other brand. just nokia all the way, but i hate the sucky battery life like this

so, samsung also have 15-20% drop issue?

my firmware is the latest one already. been using this phone for 4 months.
battery life didnt really improve.

when connect to wifi, it can last 2 days if put in standby

when connect to mobile data, it can last 1 day if put in standby

I have fb, whatsapp, viber, we chat.
when i use it frequently for chatting it drop 15-20% in 30 minutes. while i use wifi it is like 5-10%.