[clickzone]

FIRST, make the backup of your GDFS, then download the setool2lite 1.11
if you dont have setool 1.11 download here... http://www.4shared.c...rified=6a41f38e

Then open your notepad and write the folowing line...
gdfswrite:000000AC12

then click "write script" and connect your phone holding "c" button...
this may take about 10 seconds, detach your phone and test...

>*<<*<*
Services info
Configs...

It may show GSM850 GSM900 GSM1800 GSM1900

[youxing]

Do you have to unlock your phone again? How high is the possibility that you totally brick your phone? does that work with any firmware? Did anyone try it yet?

[mid_extreme]

clickzone, on 2008-02-09 09:53, said:

FIRST, make the backup of your GDFS, then download the setool2lite 1.11
if you dont have setool 1.11 download here... http://www.4shared.c...rified=6a41f38e

Then open your notepad and write the folowing line...
gdfswrite:000000AC12

then click "write script" and connect your phone holding "c" button...
this may take about 10 seconds, detach your phone and test...

>*<<*<*
Services info
Configs...

It may show GSM850 GSM900 GSM1800 GSM1900

What are the benefits we can get out of GSM850?

[dlphob]

Does this actually make the phone quadband? Or is it just a patch to show it's quadband but still running triband frequencies?

[Lunks]

There are some phone carriers that operate on that frequency. It's not a big deal as long as you never though of ever using a SIM card from an specific phone carrier which operates on 850mhz. Here on Brazil, AFAIK, only one uses it.

As long as you make a gdfs backup out of your phone, you can easily restore it and undo any changes on your cellphone.

[Stalix]

Well it works!, dont know if its just for show or if it really add the 850Mhz band but it shows it in the configuration menu(using a K800i @ R8BF003)

is there any way I can check to find out if its really using the 850 band? In USA here using AT&T I really wanted the 850 band a lot, the 1900 wasn't really reliable everywhere....

And BTW clickzone how did you find this out? and good job


Now how can we add EDGE Support?

Maybe I wont buy that Nokia N95 after all, this K800 never ceases to surprise me...

This post has been edited by Stalix: 09 February 2008 - 10:21 AM

[gaming_guy]

i think this wont work, as the k800/810 only have triband aerials. im not 100% sure on the k790i but doesnt that already have the 850mhz band?

[Stalix]

gaming_guy, on 2008-02-09 02:14, said:

i think this wont work, as the k800/810 only have triband aerials. im not 100% sure on the k790i but doesnt that already have the 850mhz band?

I would like to believe it will work... After all they did have a quad band K800 when they were still manufacturing them, as a beta or something like that. And as for the K790i it has 900/1800/1900 & EDGE.

So maybe all there K790's and K800's are all alike except they bloked out the 850 on some to.... I dunno for what but they just locked out the option to have it.

and we could maybe have a true quad-band EDGE+ internation 3G & US 3G?

[clickzone]

youxing, on 2008-02-09 03:00, said:

Do you have to unlock your phone again? How high is the possibility that you totally brick your phone? does that work with any firmware? Did anyone try it yet?

No you dont have to unlock again, you dont need to change your firmware, and it works as well with any firmware, once you dont change your firmware...

I am from brazil and i tested it first with the only one operator that uses 850mhz, both with k790 and k800, worked very well with all operators, i would not post here without testing all operators, for who lives here and dont have a VIVO chip, you can test at "Menu, settings, connectivity, mobile networks, select network". But try this BEFORE you apply the GDFS script, you will see that wont show VIVO operator... AFTER you put the GDFS script try this again and will show VIVO operator. But i tryed with a VIVO CHIP, to be sure that works, VIVO works only under 850mhz band here.

[clickzone]

mid_extreme, on 2008-02-09 04:09, said:

What are the benefits we can get out of GSM850?

The benefits is in some countries that uses GSM850, then if you unlock your K790i it wont work with this operator, like here in brasil VIVO uses 850mhz band...

And who asked if it just show the 850mhz band or it really works, yes it really works...

[4ever07]

please make edge support

[All_StaR]

Whats better then EDGE?

[4ever07]

i'm from country that not support 3g only edge

[celticmoon]

It probably works, since people have been doing this with triband motorola phones for a while now. I was wondering why it even took so long with the SE firmware.

[All_StaR]

What is Quadband? and whats EDGE sorry but i use only GSM

[altharic]

I can confirm this also works on a K800i flashed to a K810i.

[black_mamba]

heye iwonder from where he got this idea of turning triband fones to quadraband with just a PATCH...........

comeon dude idont think so yo can do it so easily........AFAIK its a hardware feature.....n not software...(sorry if ima wrong)........

[Wally_Dog]

Well it obviously works if the phone can pick up the only provider in Brasil that operates on 850mHz... dam now I can buy a K800 and have it work in the U.S on crappy AT&T w000000t!!

[altharic]

Wally_Dog, on 2008-02-09 18:08, said:

Well it obviously works if the phone can pick up the only provider in Brasil that operates on 850mHz... dam now I can buy a K800 and have it work in the U.S on crappy AT&T w000000t!!

have you not seen the adverts you need an iphone for that.....

[clickzone]

black_mamba, on 2008-02-09 14:59, said:

heye iwonder from where he got this idea of turning triband fones to quadraband with just a PATCH...........

comeon dude idont think so yo can do it so easily........AFAIK its a hardware feature.....n not software...(sorry if ima wrong)........

Try it, you will see that it works fine, i tryed this and some people too, worked fine