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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Legacy Phones ( DCT-1 ,2 ,3 ,L )

Nokia Legacy Phones ( DCT-1 ,2 ,3 ,L ) Nokia Legacy Models Like 1011, 1610, 211x, 2x20, 6050, 3110, 8110, NKxxx , 2100, 3210, 3310, 3330, 3410, 5110, 5210, 5510, 6110, 6150, 6210, 6250, 7110, 8210, 8250, 8850 also 9110 & 9210

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Old 03-19-2002, 02:23   #1 (permalink)
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Join Date: Feb 2002
Location: Breda - The Netherlands
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Red face Questions about Nokia Box 1.04 (technical)

I started building Nokiabox 1.04 4 fun!! Because I've already bought the components when i heard that i could do the same things with my Dejan Flasher which i already had hehehe....

But back to bussines:

I looked at the schematic of Nokia Box 1.04 and saw that there is no GND connection at the Phone! Is this correct?

It is (i think) not possible to read phones trough Mbus without GND!!!

Also i have questions about that Btemp Connection! Is that connection needed because i haven't got any nokia connector with that pin!!

Thnx again dudes.....

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Old 03-19-2002, 02:57   #2 (permalink)
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why'd you censor the picture? It's free everywhere!
anyway... yes you need to connect ground from phone to the ground anywhere in the schematic.
I don't think b-temp is needed... it's only for auto switch on..

dejan box 1.0 flasher.txt sais:
For proper work it is enough to use only:

Fbus Tx
Fbus Rx

NOTE: For 3210 you have to use also: Vpp !!!

(Btemp is used for POWER ON phone!)
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