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UI
Glyph
Google Material Design icons
high, brightness
Black
512x512
high, Quality
Network & communications
Material Device
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Music & multimedia
Material Audio & Video
high, Bar, signal
Full, Wifi, high
Typicons
high, Battery
Mixed
Entypo
high
227x512
Computer & hardware
Ionicons
volume, high
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Free Mobile Icon Kit
high, Boot
64x64