Yes, mobile phone telephony can work over 4G. 4G technology, also known as LTE (Long-Term Evolution), supports both data and voice communication, allowing users to make phone calls over the 4G network. This technology is commonly referred to as VoLTE (Voice over LTE), and it provides higher quality voice calls and faster call setup times compared to traditional 2G and 3G networks. As a result, many mobile carriers have adopted VoLTE to provide a seamless and improved telephony experience for their customers over 4G networks. **

One option for a cheap mobile phone that supports 4G and WhatsApp is the Xiaomi Redmi 9A. It is an affordable smartphone that offers 4G connectivity and the ability to run WhatsApp. The phone also has a large display, decent battery life, and a reliable performance for its price. Another option is the Samsung Galaxy A01, which is also a budget-friendly smartphone that supports 4G and WhatsApp. It has a sleek design, good camera quality, and a long-lasting battery, making it a suitable choice for those looking for an affordable device with 4G and WhatsApp capabilities. **

Google Maps should work on 4G mobile internet, as it is designed to function on mobile networks. If Google Maps is not working on 4G mobile internet, it could be due to a temporary network issue, a problem with the device's settings, or a compatibility issue with the specific mobile network provider. It is recommended to check for any software updates, ensure that the device's location services are enabled, and contact the mobile network provider for assistance if the issue persists. **

The mobile phone included in a 4G contract can vary depending on the specific contract and provider. Typically, the provider will offer a selection of 4G-compatible smartphones to choose from when signing up for a contract. These smartphones will be capable of connecting to the provider's 4G network, allowing for faster internet speeds and better overall performance. It's important to check with the provider to see which specific mobile phones are included in their 4G contracts. **

To display 4G instead of LTE on an iPhone, you can go to the Settings app, then tap on Cellular, and then tap on Cellular Data Options. From there, you can enable the "Enable 4G" option, which should display 4G instead of LTE on your iPhone. Keep in mind that this option may not be available on all carriers or in all regions, and it may depend on the network coverage in your area. **

Google Maps may not work on 4G mobile internet due to a weak or unstable network connection. This can result in slow loading times or difficulty in retrieving map data. Additionally, there may be issues with the device's settings or software that are preventing Google Maps from functioning properly on a 4G network. It is recommended to troubleshoot the network connection, update the app, or restart the device to resolve any potential issues. **

Yes, phone calls on mobile phones can also go through 4G networks. Voice over LTE (VoLTE) technology allows phone calls to be made over 4G networks, providing higher quality audio and faster call setup times compared to traditional circuit-switched networks. This means that when both the caller and receiver are using compatible devices and are connected to a 4G network, the phone call can be transmitted over the 4G network. **

To permanently switch your mobile internet to 4G, you can go into your phone's settings and select the option to only use 4G network. This can usually be found under the 'Network' or 'Mobile Data' settings. You can also contact your mobile service provider and request to have your network settings set to 4G only. Keep in mind that this may vary depending on your phone model and service provider. **