Google has in any case driven the Android 5.1.1 update to Nexus 9 Wi-Fi units. The factory image used to be already published and now we've got the hyperlink to the legitimate over-the-air update as smartly.
Flashing the OTA is almost definitely your highest approach because you don’t have to lose your knowledge. However, you wish to have to remember to are on Android 5.0.2 (model LRX22L) ahead of you'll be able to do it. Android 5.0.2 used to be already driven a few week or so in the past, so in the event you gained’t have it, you are going to want to flash that OTA update first. You too can choose for flashing the factory image, however you are going to lose your knowledge in case your Nexus 9 doesn’t have an unlocked bootloader.
Whichever course you make a decision to pass with, make certain to hit up our in depth courses. Click here for flashing the factory image or here for flashing the OTA update. If you realize what you’re doing, simply hit up the hyperlinks under.
OTA update hyperlinks
Nexus 9 (volantis) From LRXxx2 to LRX22L (5.0.2)
Nexus 9 (volantis) From LRX22L to LMY47X (5.1.1)
Factory Image hyperlink
Nexus 9 (volantis) 5.1.1
Come remark in this article: Android 5.1.1 OTA update and factory image now available to download and flash for the Nexus 9 Wi-Fi