Information display
DISPLAY	display	5-way navi key Downloadable themes
	Type	TFT, 256K colors
	Size	2.1 inches, 35 x 41 mm, 14.0 cm (~23.4% screen-to-body ratio)
	Resolution	176 x 208 pixels (~130 ppi density)
	Protection

Tests information
TESTS	Performance
	Camera
	Loudspeaker
	Audio quality
	Battery life
	Display

Battery physics
BATTERY	Battery	Removable Li-Ion 900 mAh battery (BL-5C)
	Charging
	Music play
	Talk time	Up to 6 h
	Stand by	Up to 240 h

Physical memory
MEMORY	Memory
	Internal	8 MB
	Card slot	RS-DV-MMC, 64 MB included
	Phonebook
	Call records

Physical sound
SOUND	Sound
	Loudspeaker	Yes
	Alert types	Vibration; Downloadable polyphonic, monophonic, MP3 ringtones
	Sound 3.5mm jack	No

Main camera information
MAIN CAMERA	Camera
	Main camera
	Features	LED flash
	Video	Yes
	Single	1.3 MP
	Dual
	Quad
	Triple
	Five
	Dual or triple
	V1

Selfie camera information
SELFIE	Selfie camera	No
	Features
	Video
	Single
	Dual
	Triple

Miscellaneous physical textures
MISC	Models
	Colors	Electric Blue, Pearl White
	Price
	SAR EU	0.78 W/kg (head) 0.47 W/kg (body)
	SAR	0.83 W/kg (head)

Device specialties
FEATURES	Features	Push to talk MP3/AAC/MP4 player Predictive text input Organizer Voice command/memo
	Sensors	V1
	Messaging
	Browser	WAP 2.0/xHTML, HTML with .pdf support
	Clock
	Alarm
	Games
	Java
	Languages

Device analysis information.
This database collects information, hacks, tricks, secret hidden codes, specifications, features, characteristics of the Nokia 6681 device. This device has the Symbian OS 8.0a, Series 60 2nd Edition operating system by default. This device has Bluetooth, this allows you to pentest through this technology. This has a USB port, allowing connections to a computer, from this type of connection we can do countless things with the device, from reverse engineering to repairs, this port is used by the release boxes.

Device analysis information.

This database collects information, hacks, tricks, secret hidden codes, specifications, features, characteristics of the Nokia 6681 device.

This device has the Symbian OS 8.0a, Series 60 2nd Edition operating system by default.

This device has Bluetooth, this allows you to pentest through this technology.

This has a USB port, allowing connections to a computer, from this type of connection we can do countless things with the device, from reverse engineering to repairs, this port is used by the release boxes.

Device questions.
When did the Nokia 6681 come out? This device was announced in 2005, Q1, it was released inDiscontinued what is the Nokia 6681 processor? 220 MHz ARM926EJ-S What operating system does the Nokia 6681 have? Symbian OS 8.0a, Series 60 2nd Edition What are the characteristics of the Nokia 6681 memory? 8 MB

Unlock bands codes
How to unlock device bands?
METHOD 1 1. Power on the device without any SIM card. 2. Dial #0000NCK# 3. Then dial #0001NCK#
METHOD 2 1. Turn on the phone with a non-accepted SIM card (from another operator). 2. If it asks for the PIN code of the SIM card, you must enter it. 3. The message "Enter Network Key" or "Enter Network Code" will appear, you must enter the release code (NCK). 4. Request the NCK code then enter it. 5. The phone will then remain unlocked.

SS codes(Supplementary Service)

They allow to execute operations in GSM and LTE networks.

These codes are not sent directly to the network, rather the phone translates them into ASN.1 instructions, in order to send them to the telephone operator.

This kind of code is permanently embedded in the hardware, when you enter one of the SS codes you must then press call to execute it.

The basic operations that can be executed with these codes are the following:

Activate deactivate or view the status of:

- Call forwarding.
- Calls waiting.
- caller number display.
- etc.

COMMAND TABLE:

- BS : Type of service, it must be replaced by one of the following values or use none for all.

11 voice calls
13 Fax
16 SMS
25 Data

- T is the number of seconds to use in the "No Response" condition. The default value is 20 seconds.

INCOMING CALLER IDENTITY: Allows you to hide or show the number of the incoming call.
SS code	Description
*30#	Activate
#30#	Deactivate
*#30#	View Status

OUTGOING CALLER IDENTITY: Allows you to hide or show the number of outgoing calls.
SS code	Descriptión
#31#	Activate
*31#	Deactivate
*#31#	View Status
#31#NUMBER #31#PREFIX+NUMBER	Hide identity to a specific number.

RETURN CALLS: Automatically return a call, if our mobile was busy when receiving it.
SS code	Descriptión
*37#	Activate
#37#	Deactivate
*#37#	View Status

CALLS WAITING: Receive notification of an incoming call, when our mobile is busy.
SS code	Description
*43#	Activate
#43#	Deactivate
*#43#	View Status

CALL FORWARDING

Unconditional call forwarding.
SS code	Description
*21NUMBERBST# *21PREFIX+NUMBERBST#	Activate
##21**BS#	Deactivate
#21BS# #21#	View Status

Call forwarding when there is no answer.
SS code	Description
*61NUMBERBST# *61PREFIX+NUMBERBST#	Activate
##61**BS#	Deactivate
#61BS# #61#	View Status

Call forwarding if you are not reachable (mobile turned off or outside the service area).
SS code	Description
*62NUMBERBST# *62PREFIX+NUMBERBST#	Activate
##62**BS#	Deactivate
#62BS# #62#	View Status

Call forwarding busy or when the call is rejected.
SS code	Description
*67NUMBERBST# *67PREFIX+NUMBERBST#	Activate
##67**BS#	Deactivate
#67BS# #67#	View Status

Secret codes for Nokia devices.

The following MMI codes are special for Nokia brand devices.

MMI code	Description
##372733##	Displays the service mode, known as the Nokia FQC menu.

MMI codes

The MMI Codes or Codes defined by the manufacturer (Manufacturer defined): they are internal instructions of the phone that do not depend on the network, when this type of code is entered they are executed immediately. These codes should be used with caution because some of them reset the device's factory settings.

In theory these are said to be the true "secret codes".

MMI code	Description
*#06#	This code allows you to know the IMEI of the device, widely used for unlocking bands.
##225##	Show calendar information.
##426##	Shows Firebase Cloud Messaging (FCM) diagnostics, related to Google play services.
##759##	Open Rlz Debug UI, here you will find information about the device and you can also activate the OEM mode to unlock the bootloader and root the device.
##4636##	It allows to open the test mode, also known engineer mode, this code allows you to know a lot of information about the device in detail.

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Nokia 6681

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