Nokia should add the options of '4g only', '3g only' and '2g only' to the network types in the mobile network settings
Settings > more > Mobile Networks > Preferred network type.2G - 2G only3G - 3G and 2G mode
4G - 4G> 3G> 2G based on the available service in area / networkCheck the Nokia 5 user guide once.https://community.phones.nokia.com/support/discussions/topics/7000010031https://www.nokia.com/en_int/phones/support/nokia-5-user-guide/network-services-and-costs
I get the feature you "want" on your phone. Since it is not available at present, making changes to the network is the most feasible solution.That is if U really need to.What good does '4G only' mode do when the signal fluctuates between 4G and 3G. Its better to have some signal reception than no signal, and wait until you are in the 4G network range.Also, there is hardly any significant downtime when switching between 4G / 3G signals.Setting phone to 3G mode will be good imo and switching to 4G when u require high speed.
There is a way to set the phone to 2G / 3G only mode.
Settings > more > Mobile Networks > Preferred network type >2G2G only - Works fine.
3G only - This involves extra work .
1. Settings > more > Mobile Networks > Preferred network type > 3G2. Dial ( *#*#4636#*#* ). You will navigate to 'Testing' screen. Select 'phone information'.3. In Set preferred network type - select 'WCDMA only'. (If it is in 'WCDMA preferred' it switches between GSM and WCDMA based on the signal strength).
4G - 4G> 3G> 2G based on the available service in area / network
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