Please tell us some basic information before asking for help:
Model Name: zs621kl
Firmware Version: latest
Rooted or not: no
Frequency of Occurrence:
APP Name & APP Version (If your issue relates to the app): dailer
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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I can't able to understand why you where not giving video call option. This is the primary feature of phone. Can you tell me whats your marketing strategy. You were losing value in mobile industry Asus.