Handle high-bandwidth mobile activities with this unlocked Asus ZenFone 4 Max smartphone. Its 5000 mAh battery keeps up with extended movie streaming and talk time, and it operates on Android 7.0 smoothly thanks to its octa-core processor and 3GB of RAM. This Asus ZenFone 4 Max smartphone has 32GB of storage, and its dual-lens rear camera provides enhanced image capture.
Q: Does this phone work with Metro PCS
A: Yes. It supports MetroPCS LTE Bands 2,4,and 12.
Q: can you increase memory to 64
A: Yes you can up to 256gb that's the maximum amount it will take,I have a SD card for 128gb installed on my Asus 4 Max and it works fine I don't need anymore memory but it can take up to 256gb....
A: The Google Play Store shows the prior Asus Messaging app as being incompatible with the Zenfone 4 Max, and I can't load it through the play store app on the phone as available, so I have to assume the answer is no. The Asus Messaging app hasn't been updated since 2016. There is a discussion about using Asus Messaging and Nougat you may find helpful on XDA - https://forum.xda-developers.com/zenfone-3/themes/orginal-asus-messaging-apk-t3493987
Q: Does Zenfone 4 Max have a noise cancelling microphone? Can it handle loud music or noises.
A: It does have a noise cancelling microphone.
Q: If you change the access point can the 4 use Straight Talk like the 3 could?
A: Yes it can use Straight Talk's GSM service through the T-Mobile or AT&T networks.
A: Yes. It will work on all 4 major carriers, VIVO, TIM, Oi and Claro up to 4g LTE speeds.
Q: ¿Are you sure that support band 4, 7 y 28?
A: Yes, it supports 4G bands 4 (1700/2100), 7 (2600) and 28 (700)
Q: Is this phone compatible with US Cellular's system AND their broadcast frequency?
A: No. US Cellular uses CDMA frequencies, much like Verizon and Sprint. This phone uses GSM frequencies used by AT&T and T-mobile.