Asus Zenfone Max (M2) was released in December 2018 with Android 8.1 Oreo (ZenUI) and November security patch. The handset features Snapdragon 632 processor, 32 GB/64 GB storage options, 3GB/ 4GB ROM options, 6.26 inches, 19:9 IPS LCD display, dual 13 MP+ 2 MP PixelMaster camera, 8 MP Selfie camera, 4000 mAh battery and more.

The new software update for Asus ZenFone Max M2 (WW_15.2016.1812.145) will improve camera performance on the phone. You can capture even better vivid and high-quality photos and videos along with Asus’s PixelMaster technology. In addition, the added EIS (electronics image stabilization) for front camera will enhance your Selfie experience. Official changelog (15.2016.1812.145): – Google security patch updated to December 2018 – Fingerprint registration improvement – Camera performance improvement – Front Camera now support EIS The OTA update for this update is live now. If you have not received the OTA notification on your ZenFone Max (M2), check for the update manually. To do so, go to Settings > System > System updates to check for the update.

Downloads and Manual installation guide

Experienced users can install the WW_15.2016.1812.145 update manually on their ZenFone Max (M2). ASUS has made available full firmware for download, if you cannot install the OTA or if you are out of Wi-Fi coverage area. Suggest to backup data before starting the software update. You can download full firmware for ZenFone Max M2 ZB633KL variant from this link. Check your SKU version before downloading the firmware. After downloading the firmware, check this guide/this guide for installation instruction. [Source]