If it's really a 2nd Generation Kindle then it only works with old mobi or some PDFs.
This is oldest one that does AZW3 (new mobi)
Quote:
Kindle Keyboard (3rd Generation)
3.4.3
Your serial number starts with B008 download this file.
Your serial number starts with B006 download this file.
Your serial number starts with B00A download this file.
Note: If your device is on a version older than 3.4.2, please visit Previous Software Updates for Kindle E-Reader for instructions.
|
None of these do azw3 or KFX:
Spoiler:
Kindle DX (2nd Generation) 2.5.8
(And DXG)
Your serial number starts with B004 download this file.
After your device has fully updated, download and install the Kindle Services Update.
Your serial number starts with B005 download this file.
After your device has fully updated, download and install the Kindle Services Update.
Your serial number starts with B009 download this file.
After your device has fully updated, download and install the Kindle Services Update.
Kindle (2nd Generation)
2.5.8
Your serial number starts with B002 download this file.
After your device has fully updated, download and install the Kindle Services Update.
Note: If you have a software version before 2.3, download and install Software Update 2.3 first, and then complete the steps above.
Your serial number starts with B003 download this file.
After your device has fully updated, download and install the Kindle Services Update.
Note: If you have a software version before 2.3, download and install Software Update 2.3 first, and then complete the steps above.
Kindle (1st Generation)
1.2.1
Download Software Update
Note: If you have a software version before 1.2, download and install Software Update 1.2 first, and then complete the steps above.