Asus seems to be working on successors for both the Zenfone Max (M1) and the Zenfone Max Pro (M1). The upcoming devices are unsurprisingly going to be called Zenfone Max (M2) and Zenfone Max Pro (M2). Both of them have recently been certified by the Eurasian Economic Commission in Russia. This process has confirmed the handsets' names, and revealed their model numbers. Thus, the Zenfone Max (M2) will be ZB633KL, while the Zenfone Max Pro (M2) is ZB631KL. The listings also tell us that both phones will ship running "Android version 8", which is really unfortunate since Android 9 Pie...
Source: https://www.gsmarena.com/asus_zenfone_max_m2_and_zenfone_max_pro_m2_get_certified_with_android_oreo_on_board-news-33622.php
