How to update Asus Transformer Pad Infinity TF700T Officially To Latest Jelly Bean Firmware. 
For Asus users who missed the OTA update/cannot download it, here is a work around that will help you install Jelly Bean. This process will go fast after downloading the Firmware.
This update option will only work for the Asus Transformer Pad Infinity TF700T. So make sure this is the only device you are working with.
All credit goes to, "http://www.ibtimes.co.uk". Technical post for helping all of us who were lost in the dark.
Check the device's build number by heading to Settings > About tablet. If the build number starts with "TW", then your SKU is TW. If it begins with "US" then you have to download the firmware for the US SKU. If the build number starts with "WW", you must download the WW firmware.
How to update Pad Infinity TF700T to the latest official update firmware:
Download the update from the official ASUS website. Choose Android from the drop down menu and select Firmware. Now, download the update file for your SKU
On extracting the downloaded zip file, you will obtain another zip file
Copy the obtained zip file to the device. If your tablet is running custom recovery such as ClockworkMod (CWM) or TWRP then copy the file to the internal SD card. If the device is running stock recovery then rename the file to "EP201_768_SDUPDATE" and copy it to the external SD card
The following steps depend on whether you have stock recovery or custom recovery such as CWM or TWRP.
For stock recovery
? Turn off the device. Keep holding Power and Volume Down buttons until you see a message saying "Press Vol.Up to enter RCK (5s)". Within few seconds, press the Volume Up button to enter recovery
? The update will begin installing and the tablet will reboot after completing the installation
For custom recovery
? Turn off the tablet. Keep holding Power and Volume Down buttons until you see a message saying "Press Vol.Up to enter RCK (5s)". Within few seconds, press the Volume Up button to enter recovery
? Choose Wipe cache and then confirm the wipe by tapping on "Yes" [If you have TWRP recovery, then choose Wipe and then select Cache/dalvik cache]
? Choose install zip from sdcard and then select choose zip from sdcard. Scroll to and choose the update file that has been copied to the device in step 3. Tap on "Yes" to confirm the installation. [If you have TWRP recovery, choose Install and then choose the update file]
? Choose go back and select reboot system now to reboot the device. [If using TWRP recovery, choose the Reboot system button to reboot the device]
You have now installed the latest official update on your Asus Transformer Pad Infinity TF700T.
For Asus users who missed the OTA update/cannot download it, here is a work around that will help you install Jelly Bean. This process will go fast after downloading the Firmware.
This update option will only work for the Asus Transformer Pad Infinity TF700T. So make sure this is the only device you are working with.
All credit goes to, "http://www.ibtimes.co.uk". Technical post for helping all of us who were lost in the dark.
Check the device's build number by heading to Settings > About tablet. If the build number starts with "TW", then your SKU is TW. If it begins with "US" then you have to download the firmware for the US SKU. If the build number starts with "WW", you must download the WW firmware.
How to update Pad Infinity TF700T to the latest official update firmware:
Download the update from the official ASUS website. Choose Android from the drop down menu and select Firmware. Now, download the update file for your SKU
On extracting the downloaded zip file, you will obtain another zip file
Copy the obtained zip file to the device. If your tablet is running custom recovery such as ClockworkMod (CWM) or TWRP then copy the file to the internal SD card. If the device is running stock recovery then rename the file to "EP201_768_SDUPDATE" and copy it to the external SD card
The following steps depend on whether you have stock recovery or custom recovery such as CWM or TWRP.
For stock recovery
? Turn off the device. Keep holding Power and Volume Down buttons until you see a message saying "Press Vol.Up to enter RCK (5s)". Within few seconds, press the Volume Up button to enter recovery
? The update will begin installing and the tablet will reboot after completing the installation
For custom recovery
? Turn off the tablet. Keep holding Power and Volume Down buttons until you see a message saying "Press Vol.Up to enter RCK (5s)". Within few seconds, press the Volume Up button to enter recovery
? Choose Wipe cache and then confirm the wipe by tapping on "Yes" [If you have TWRP recovery, then choose Wipe and then select Cache/dalvik cache]
? Choose install zip from sdcard and then select choose zip from sdcard. Scroll to and choose the update file that has been copied to the device in step 3. Tap on "Yes" to confirm the installation. [If you have TWRP recovery, choose Install and then choose the update file]
? Choose go back and select reboot system now to reboot the device. [If using TWRP recovery, choose the Reboot system button to reboot the device]
You have now installed the latest official update on your Asus Transformer Pad Infinity TF700T.
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