How to Replace Kindle Fire Dictionary

Kindle Fire is not only a great e-book reader but also a good tool for learning English. By tapping any words in the book, we can easily learn its detailed meaning and related expression. But it’s a bit pity that you can’t switch from one dictionary to another when looking up a word which you can do on Kindle and Kindle Paperwhite. This is because the Kindle Fire has only one dictionary by default and it has no options for you to add or change any dictionaries. Although the built-in New Oxford American Dictionary is enough for some degrees, some people want to use a more professional or specialized dictionary, especially those who want to learn a foreign language like Chinese, but not English. So we need to replace Kindle Fire dictionary.

As we mentioned above, Amazon doesn’t want us to change the Kindle Fire default dictionary. So we need some hackings to modify the system files. Yes, you may have realized it – You need root your Kindle Fire. If you haven’t rooted your device, check out these two rooting tutorials:

1. How to root Kindle Fire

2. Root Kindle Fire with one click

PS: Our tutorial can only replace the default dictionary as Kindle Fire only supports one dictionary. You can’t choose an alternative dictionary.

1
Get your dictionaries

We can purchase dictionaries from Amazon Kindle Store. But most of them are paid ones. Actually there are many free dictionaries on the Internet. Download a dictionary with a suffix “mobi” or “prc“. Rename it as “B003ODIZL6” and change its file extension to “prc“. Then transfer the dictionary to your Kindle Fire. Here I choose the Oxford English-Chinese Dictionary for example.

2
Modify system file

Reboot your Kindle Fire and then open ES File Explorer. Find the new dictionary file you get in step1 and long tap to copy it.

copy-dictionary-file

Then navigate to this path: /system/etc/labdictionary. You can find two files here: B003ODIZL6.prc and Kindle_User_Guide.prc. Tap the Fast Access icon and choose “Tools” – “Root Explorer” – “Mount R/W” and set all the paths to “RW” permission. Then rename the “B003ODIZL6.prc” as “B003ODIZL6.prc.bak“.

find-default-dictionary

modify-system-permission

rename-default-dicionary-file

Tap the Clipboard icon and choose “Paste”. Long tap the new “B003ODIZL6.prc” file and choose “More” – “Properties” – “Permissions: Change“. Set the permissions like this and click “OK” to confirm.

paste-new-dictionary-here

change-permission

3
Test new dictionary

Now open an e-book and tap any words, you can find its explaining has changed into Chinese, that means the new dictionary works!

replace-kindle-fire-dictionary

If you want to change back to the default dictionary, just delete the “B003ODIZL6.prc” at the directory: /system/etc/labdictionary and rename the “B003ODIZL6.prc.bak” as “B003ODIZL6.prc”. Then reboot the Kindle Fire and you can find the Oxford dictionary comes back.

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