Android encyclopedia: B is for…

Oliver Hill

The second installment of our Android encyclopedia. B is for…


The bootloader is a tool that not only loads the system software when you turn on your device, it also determines the priorities and apps that will run in the ‘boot up’ process. The code makes sure that upon loading your device up, everything will run smoothly.

Did you know?

HTC recently released a utility allowing its

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users to unlock the bootloader on all their new HTC devices. This process does alter the warranty on these devices, but ultimately opens them up for developers to start hacking and rooting them.


Software that requires a considerable amount of disk space and RAM. Pre-loaded software and apps that can’t be removed from the device are common sources

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of bloatware. However, there are apps now available which can help detect bloatware on your device.


Bluetooth is a common feature in Android devices, allowing its users to exchange data over short distances over its open wireless technology. Bluetooth uses radio-based technology to chop up data being sent into manageable chunks, allowing a quick transfer process.

The techie bit

The radio technology behind Bluetooth is called Frequency-Hopping Spread Spectrum (FHSS). This particular method of transmitting radio signals is done by continuously switching between various frequency channels, using a psuedorandom sequence (a process that appears random, but actually isn’t).

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