For any software problem or forgotten passwords or anything else use this code *2767*3855# (full hard reset).
Follow the steps below:
1)Remove sim card
2)Backup your data
3)Remove micro sd memory card
4)Use this code *2767*3855#
5)Device will restart two times
6)Brand new fresh Windows like first time :)
You can Skip Steps 1 & 3 .Use at your own risk!(Worked For Me)
ravi, 29 Dec 2009just enter the password and unlock your mobile but i dont now password
Jonny, 25 Oct 2009Finally a reply. Many many thanks. But what do you mean by that? Will a network unlocked phone work?just enter the password and unlock your mobile
Dikko, 05 Oct 2009yes it does with etisalat sim card.Finally a reply. Many many thanks. But what do you mean by that? Will a network unlocked phone work?
jonny, 02 Sep 2009does opera mini works perfectly?yes it does with etisalat sim card.
Ghali Nakamba, 07 Aug 2009hello samsung i640 mobile,your product is the best i ever had in my life especially your inter... morethat is the common problem.that fone is not yet approved by network provider.i can maybe help.myne hat the problem before.where are situated in south africa?
hello samsung i640 mobile,your product is the best i ever had in my life especially your internet accessibilty.but my problem is that initially i was using mtn network,all of a sudden the network sto using the phone.iam a nigerian,how can u help me because mtn is the only network i use?thanks for ur kind initiatives.i love samsung mobile.a.s.p ghali kamba nigeria.
Timon, 16 Jun 2009Hi, im from Bangladesh. Just bought it 2 days be4. I just luv it.....Good battery life.....Win... morefrom which market did you buy it?
i'm also from bangladesh.
is the document viewer fast and is there any way to edit documents for free?
When the phone is switched OFF & try to charges the battery,it switches itself ON & never charges.And also when it is ON,& try charges the battery it does not charges.It is annoying that I must always use external charger.
dose this phone has 128 ram , is it upgradable to 6.1 os....it this phone has same problem as blackjack2?????????which one is better blackjack2 or i640
stonney, 20 Jun 2009hi, all users, i hv a question for u all, does anyone know how to swap the primary and second ... morehey friend,
its really easy.turn on the camera nd then press the up nd down arrow marked key at the left side of ur phone.u will find the key just at the bottom of ur phone charging/headphone jack.
i hope it will work.
hi, all users, i hv a question for u all, does anyone know how to swap the primary and second camera shooting, I accidently change back to forward, and dont know how to change it back!
Hi, im from Bangladesh. Just bought it 2 days be4. I just luv it.....Good battery life.....Windows media player rocks....Live messenger. The roller jog works perfectly. I've installed facebook N works fine.
Got extra battery and back cover. Also an additional battery charger.
It got it for 11,500 Taka (USD 160) unlocked.
wow! what a mobile phone! It looks sexy... one of the best looking mobile phones today... very good battery life... excellent handling and interface...3g works well... very good audio quality... but the external speaker is not lound enough... it comes along with an external battery charger... windows mobile 6 ...It sure is a piece of art. must buy!!! I got it for Rs. 8500(USD 165) here in india unlocked.