How Do I Set A Data Limit On My Iphone?

View or change cellular data settings on iPhone

You lot can turn cellular data and roaming on or off, ready which apps and services employ cellular data, meet cellular data usage, and set other cellular data options.

Annotation: For help with cellular network services, voicemail, and billing, contact your wireless service provider.

If iPhone is connected to the internet using the cellular information network, an icon identifying the cellular network appears in the condition bar.

5G, LTE, 4G, and 3G service on GSM cellular networks back up simultaneous voice and data communications. For all other cellular connections, you can't utilize internet services while you lot're talking on the telephone unless iPhone also has a Wi-Fi connexion to the internet. Depending on your network connection, you may not be able to receive calls while iPhone transfers data over the cellular network—when downloading a webpage, for example.

GSM networks: On an Border or GPRS connectedness, incoming calls may become direct to voicemail during data transfers. For incoming calls that you answer, data transfers are paused.
CDMA networks: On EV-Do connections, data transfers are paused when y'all answer incoming calls. On 1xRTT connections, incoming calls may go directly to voicemail during information transfers. For incoming calls that you respond, data transfers are paused.

Information transfer resumes when you end the phone call.

If Cellular Information is off, all data services—including email, spider web browsing, and push notifications—utilize Wi-Fi only. If Cellular Data is on, carrier charges may apply. For example, using certain features and services that transfer data, such as Siri and Messages, could result in charges to your data plan.

Cull cellular data options for data usage, performance, battery life, and more

To turn Cellular Data on or off, get to Settings > Cellular.

To set options when Cellular Information is on, go to Settings > Cellular > Cellular Data Options, and so do any of the following:

Reduce cellular usage: Turn on Low Data Mode, or tap Data Style, so choose Low Information Style. This mode pauses automatic updates and groundwork tasks when iPhone isn't connected to Wi-Fi.
Turn Data Roaming on or off: Data Roaming permits internet access over a cellular data network when you lot're in a region not covered past your carrier's network. When you're traveling, you can turn off Data Roaming to avert roaming charges.

Depending on your iPhone model, carrier, and region, the following options may be bachelor:

Turn Voice Roaming on or off: (CDMA) Turn Vocalization Roaming off to avoid charges from using other carrier's networks. When your carrier'southward network isn't available, iPhone won't have cellular (data or vocalisation) service.
Enable or disable 4G/LTE: Using 4G or LTE loads internet data faster in some cases only may decrease bombardment performance. At that place may exist options for turning off 4G/LTE or for selecting Voice & Data (VoLTE) or Information But.

On iPhone 12 models and later, you lot tin can do the following:

Enable Smart Data way to optimize bombardment life: Tap Voice & Data, and so choose 5G Auto. In this fashion, your iPhone automatically switches to LTE when 5G speeds don't provide noticeably improve operation.
Use college-quality video and FaceTime HD on 5G networks: Tap Information Style, and then choose Allow More Data on 5G.

Gear up a Personal Hotspot to begin sharing the cellular net connection from iPhone

Become to Settings > Cellular, then plough on Cellular Data.
Tap Fix up Personal Hotspot, then follow the instructions in Share your internet connection from iPhone.

Fix cellular data employ for apps and services

Become to Settings > Cellular, then turn Cellular Data on or off for any app (such as Maps) or service (such as Wi-Fi Aid) that tin can use cellular data.

If a setting is off, iPhone uses only Wi-Fi for that service.

Notation: Wi-Fi Assistance is on by default. If Wi-Fi connectivity is poor, Wi-Fi Assist automatically switches to cellular data to boost the indicate. Because you stay connected to the internet over cellular when you lot have a poor Wi-Fi connection, you might use more cellular data, which may incur boosted charges depending on your data plan. Meet the Apple Support article Virtually Wi-Fi Assist.

Lock your SIM carte du jour

If your device uses a SIM card for phone calls or cellular data, you can lock the card with a personal identification number (Pin) to prevent others from using the bill of fare. Then, every time you restart your device or remove the SIM card, your card locks automatically, and you're required to enter your Pivot. Encounter Use a SIM Pivot for your iPhone or iPad.