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Questions tagged [power-management]

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On a Kindle e-reader with LTE/Cellular, can I turn off LTE but keep WiFi on?

With my phone, I frequently turn off cellular (with airplane mode) and then turn WiFi on. This is great for saving battery life but still letting my access the internet. It seems like with a Kindle (...
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0answers
84 views

Disable 3G wireless access on a Kindle Paperwhite

Is there a way to disable the 3G cellular access to preserve the battery while keeping the wifi access? Airplane mode kills both the cellular and the wifi.
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1answer
27k views

Can the sleep timeout be adjusted on Kindle devices?

The seemingly fixed screen timeout on all my Kindle devices has never been an issue for normal reading. If it goes off on me it is usually because I fell asleep myself, so one cannot blame a device ...
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1answer
116 views

What are the actual on/off/sleep states for and how do you hard reset a Kindle WiFi?

I recently purchased a Kindle device (the current non Touch WiFi model) for an AP. I don't live locally but that doesn't get me off the hook for supporting it. Unfortunately, as my device is the ...
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1answer
328 views

How do I override the power cycling when the battery gets below 5%?

I know that I probably shouldn't let the battery run so low on my Kindle Fire, but occasionally I have let it dip below 5%. Once this happens, the device no longer let's me trickle charge, and it ...
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2answers
111 views

When should I completely poweroff an eink device rather than putting it in stand-by?

Given that the technology of eink screens make it so that even during normal usage the power requirement is kept lower than other kind of displays, when it is advisable to completely shut-down the ...