What are background services created by Settings? Can I stop them to improve performance of my Motorola phone?

You may see 2 "Settings" apps running on your Motorola phone:

1. Settings by com.motorola.carriersettingsext - This "Settings" app is provided by Motorola and runs the com.motorola.carriersettingsext process, which runs the DataRoamingPhoneStateServcie.

1.1. Go to "Settings > Systems > Developer Options > Running Services". You see a list of apps, their running services, memory usages and execution times.

1.2. Tap on "Settings" in the list. You see that it has 1 process, which has 1 service.

Application: Settings
|- Process: com.motorola.carriersettingsext
   |- Service: DataRoamingPhoneStateServcie

Memory usage: 6.6 MB, execution time 123:06:02.

It is recommended to keep the "DataRoamingPhoneStateServcie" service running.

2. Setings by Android - This "Settings" app is provided by Android and manages all settings of the phone internal system.

2.1. Go to "Settings > Systems > Developer Options > Running Services". You see a list of apps, their running services, memory usages and execution times.

2.2. Tap on "Settings" in the list. You see that it has 1 process, which has 0 service.

Application: Settings

Memory usage: 127 MB

Do not stop this app, because this service detail screen you are looking at is provided by this app.

⇒ Background Services Created by System UI

⇐ Background Services Created by Motorola Note

⇑ Background Services on Motorola Phone

⇑⇑ Motorola Phone - Frequently Asked Questions