How to make a model 1661-2b (RH-121) work outside North America? - GSM-Forum

jfklein · 11-26-2009, 18:28

I would like to try flashing this phone with RH-122 firmware in an attempt to allow it to work on 900/1800 bands. Currently, as an RH-121, it will only operate on 850/1900.

My questions:
1) How do I flash this phone with RH-122 firmware? I am starting from scratch - I have never flashed a phone and I don't even know anyone who has. Step-by-step instructions would be greatly appreciated.

2) Does anyone know if flashing a RH-121 phone with RH-122 firware will allow it to operate on 900/1800?

Brylek · 11-26-2009, 18:38

Hardware modification is needed as well, flashing allon is not going to get you there. No offense but if you never flashed a phone before don't try to change thee bands.

jfklein · 11-27-2009, 16:14

I don't plan to attempt any hardware modifications. However, I'd still like to try the flash.

I read on a post somewhere that somebody tried this with the result that the phone no longer worked on 850/1900 bands. So I'm thinking that perhaps the phone was converted to 900/1800.

Can you give me instructions on how to perform a flash, or direct me to a website that gives instructions?

libercell · 12-01-2009, 01:33

Nesesito saber solucion de bandas 850 1900 como puedo cagar a mi 1661 intentando liberarlo solo flata eso aver si sale una solucion

libercell · 12-01-2009, 01:34

Si alguen me puede ayudar con esata solucion en chile

11-26-2009, 18:28	#1 (permalink)
jfklein Junior Member Join Date: Nov 2009 Posts: 2 Member: 1170263 Status: Offline Thanks Meter: 1	How to make a model 1661-2b (RH-121) work outside North America? I would like to try flashing this phone with RH-122 firmware in an attempt to allow it to work on 900/1800 bands. Currently, as an RH-121, it will only operate on 850/1900. My questions: 1) How do I flash this phone with RH-122 firmware? I am starting from scratch - I have never flashed a phone and I don't even know anyone who has. Step-by-step instructions would be greatly appreciated. 2) Does anyone know if flashing a RH-121 phone with RH-122 firware will allow it to operate on 900/1800?

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11-26-2009, 18:38	#2 (permalink)
Brylek Crazy Poster Join Date: Jan 2005 Location: Chicago, IL Posts: 51 Member: 104943 Status: Offline Thanks Meter: 8	Hardware modification is needed as well, flashing allon is not going to get you there. No offense but if you never flashed a phone before don't try to change thee bands.

11-27-2009, 16:14	#3 (permalink)
jfklein Junior Member Join Date: Nov 2009 Posts: 2 Member: 1170263 Status: Offline Thanks Meter: 1	I don't plan to attempt any hardware modifications. However, I'd still like to try the flash. I read on a post somewhere that somebody tried this with the result that the phone no longer worked on 850/1900 bands. So I'm thinking that perhaps the phone was converted to 900/1800. Can you give me instructions on how to perform a flash, or direct me to a website that gives instructions?

12-01-2009, 01:33	#4 (permalink)
libercell Junior Member Join Date: Jun 2008 Posts: 15 Member: 788094 Status: Offline Sonork: libercell Thanks Meter: 0	Nesesito saber solucion de bandas 850 1900 como puedo cagar a mi 1661 intentando liberarlo solo flata eso aver si sale una solucion

12-01-2009, 01:34	#5 (permalink)
libercell Junior Member Join Date: Jun 2008 Posts: 15 Member: 788094 Status: Offline Sonork: libercell Thanks Meter: 0	Si alguen me puede ayudar con esata solucion en chile