Samsung Galaxy icons at the top bar meaning

Wondering what are the meaning of the icons that show on top of your Samsung Galaxy phone screen?

Here are some of the icons and the meaning / function of each.

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Bluetooth

Receiving / Received file(s)
either successful or failed

Bluetooth connection is ON

Arrow Down (color white) - you are receiving file(s)

Arrow Down (color gray) - you received file(s)
it can be successful or failed

Arrow Down (combination of white and gray)
for gray - you already received a file(s)
for white - you are currently receiving a file(s)

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Sending / Sent file(s)
either successful or failed

Arrow Up (color white) - you are sending a file

Arrow Up (color gray) - you have sent file(s)
it can be successful or failed

Arrow Up - you are sending a file
Arrow Up with number - the number indicates the number of files waiting to be sent.

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EDGE - Enhanced Data rates for GSM Environment

You will see this icon once your mobile phone is connecting to internet using your mobile data network.

color gray arrows - not actively sending and or receiving data.

color green upward arrow - sending/uploading data.

color orange downward arrow - receiving/downloading data.

colored upward and downward arrows - receiving/downloading and sending/uploading data at the same time.

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HSPDA - High Speed Packet Data Access

You will see this icon once your mobile phone is connecting to internet using your mobile data network.

color gray arrows - not actively sending and or receiving data.

color green upward arrow - sending/uploading data.

color orange downward arrow - receiving/downloading data.

colored upward and downward arrows - receiving/downloading and sending/uploading data at the same time.

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GPRS - General Packet Radio Service

You will see this icon once your mobile phone is connecting to internet using your mobile data network.

color gray arrows - not actively sending and or receiving data.

color green upward arrow - sending/uploading data.

color orange downward arrow - receiving/downloading data.

colored upward and downward arrows - receiving/downloading and sending/uploading data at the same time.

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3G - 3rd Generation

You will see this icon once your mobile phone is connecting to internet using your mobile data network.