Portable GSM NOKIA 1610 , 1611 , 1630

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Poids: 250g (batterie la plus petite)
Dimensions: 160 x 58 x 28 mm
Afficheur: 2 x 8 caractères


Nokia 1610 Secret Codes
IMEI Number *#06#
Software Version *#170602112302#
1. Software Version
2. Date du Software
3. Type de Téléphone

Software Version: *#170602112302# displays software version

IMEI: *#06# displays IMEI (serial number).

SIM-unlock: * # 7 4 6 0 2 5 6 2 5 # is supposed to SIM-unlock the 1610 and the 8110. However, I have heard that some manufacturers base the SIM-unlock code on the actual IMEI (serial Number) of the phone itself, and this code may work only one one specific phone.

Name Change: To change the name from "Nokia" in the display, Press ABC, type in what you want to have displayed, Hit MM999M

Supposedly, the 1630 is just the 1610 with a blue case.

Here's a UseNet post on the interface to the Nokia 1630

From: Anders Vejen 
Newsgroups: alt.cellular-phone-tech
Subject: Nokia 1630 has serial interface!
Date: Thu, 06 Feb 1997 10:03:52 +0100


me and my colleague fooled around with the CellularWare plug for the Nokia 8110 yesterday on my Nokia 1630. They have the same bottom plug
except for the round male pin, which is not used in the CellularWare plug anyway. So I thought they probably have a serial interface on the
16xx series (or I was hoping). Anyway, what little we found out was:

A) Yes, it does have a serial interface. The phone sends out the following (in hex):

00 just after switching off
FF 00 00 E8 01 16 (repeated 3 times) when switching on.

B) After that it just seems to echo whatever you send it. It may be that the serial hardware signals must be juggled.

C) The CellularWare for Nokia 8110 will install if you have the Nokia 1630 connected. It will *NOT* install if the phone is not connected! The
"at*nokiacw0" command sent by CellularWare just seems to be echoed.

D) We could not get the phone to send anything else on the serial line (when receiving a call, sending SMS etc.) Not yet anyway.

We were using 9600,n,8,1. Since leaving out small characters on the 16xx series is clearly a marketing decision (small characters exist in the character ROM and can
be received fine in SMS's), I was wondering what can be altered in the 16xx???


Pin Signal Description
1 GND Charger/System Ground
2 V_OUT Accessory Output Supply. (3.4V...10V - 50mA)
3 XMIC External Microphone Input and Accessory Identification
*TYP/MAX: 8...50 mV(The Maximum Value Corresponds to 0dBm Network
ID Accessory Identification
4 NC Not Connected
5 NC Not Connected
6 MBUS Serial Control Bus
*Logic Low Level: 0....0.5V
*Logic High Level:2.4V....3.2V
7 NC Not Connected
8 SGND Signal Ground
9 XEAR XEAR External Speaker and Mute Control
*Min/Typ/Max: 0....32....500 mV (Typical level corresponds to -16 dBM)
Network Level with Volume Control in Nominal Position 8dB Below Maximum
Maximum 0 dBM Maximum Volume Codec Gain -6dB)
Mute ON (HF SPEAKER MUTE ):0...0,5 V d.c.
Mute OFF (HF SPEAKER ACTIVE ): 1,0...1,7 V d.c.
10 Hook Hook Signal
*Hook Off (Handset in Use): 0....0.5V
*Hook On (Handset in Use): 2.4V....3.2V
11 NC Not Connected
12 V_IN Charging Supply Voltage (Max 16V)

to allow the phone to be able to recognise de phone operator, you have to enter

1/ the country code called MMC =MobileCountryCode (France=208)
2/ the operator code called MNC MobileNetworkCode

See the list on wikipedia

Orange =01,02,91

for that you need a maintenance software from Nokia called WinTesla hard to find because very old
to try,


2 / Battery
The original pack consists of 5 cell NiMH 650 mA / h - 6V. The only batteries that I found on the internet arranged entering the housing are cells Lithium Ion KYOCERA BP-800S. The LiIon technology is much better, so this is a plus.
Each NiMH battery is 1.2 V and 1.4 V at full load or pack batt 5: 6 -> 7 v
Each Li-ion battery is 3.7 V and 4.2 V at full load or for my batt pack of 2: 7.4 -> 8.4 V is 20% more
The charging circuit that handles 1 / capacity indicator, 2 / The duration of the load, based on the voltage of the pack, through two resistors, one of which is in the battery pack. This resistance is calibrated to original pack Ni-Mh.
In the current state of my phone with the original strength and the new Li-ion batt, 1 / The battery indicator is thoroughly all the time of discharge, 2 / Charging stops its
the circuit is to stop charging before the full charge of the Li-ion. But dore and already, without any adjustments, my phone takes 48 hours with new batteries.

The value of the resistance in the battery pack with 2 li-ion must be 82 kohms. With this value everything works: the charge indicator decreases as the load and when more than 1 bar, it warns as it should be "low battery" several times before cutting.
The value pack is 1000 mA / h, it allows us to operate about 3 days without recharging.
The second component in the package is a NTC (negative temperature coefficient) to give the pack to the processor temperature. By leaving as is, everything works fine under normal conditions.
Note that if one removes it refuses to load.

I managed to find a DAU-4F cable to connect the Nokia on the RS232 serial port of a PC. Unfortunately, I could not find the exact cable DAU-4S. If the connectors are the same, there is a protocol difference.
Indeed the connector on the Nokia has a small interface circuit. This interface adapts communication according to the bus protocol of the phone:
- For older (like our 1610), the "MBUS" with one line for sending and receiving data.
- For the following models is Fbus with a transmission line and a separate reception TX RX line.
Fbus allows faster transmission speed than the MBUS who gave only 9200 baud.
It is possible that my cable allows 2 communications, otherwise I will try to change the interface, because I identified the integrated circuit, which I got the datasheet.


New Li-ion battery
Cells I have found which sizes match the battery box are as follow:
2 x cells Kyocera BP-800S - capacity 1000mA/h, 3.7 v - Allows around 3 days working time.
For proper functioning, some adjustments must be made
Components wired on the battery pack :

A first resistor which value must be adjusted to 82 Koms
A second resistor which value must be 39 Kohms
A NTC resistor (negative temperature coefficient) used as temperature sensor remains unchanged. (N.B. Do not disconnect it, otherwise charging is not allowed)

With this adjustment, charging operations and display are correct: the maximum bar matches full charge, bar-graph decreases according to the capacity of the battery and when 1 bar only is displayed, warning message of weak battery appears before switching off.


tested OK with Nokia Li-ion cells model BL-5C 2x 700mAh as well

B-C5T 1000Mah not tested yet, project

VARTA 1600 (PDF - 2.77Mb)

If you are looking forward some data or repair parts about this electronic card, you can contact me by e-mail at matthieu.benoit@free.fr


Si vous recherchez des informations pour ce gsm Nokia , vous pouvez me contacter par e-mail : matthieu.benoit@free.fr .

De même si vous avez des informations sur ce gsm Nokia, n'hésitez pas à contribuer à cette page.

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M-à-j: 1 janvier, 2020.