1. How to locate iPhone using phone number on Android
Some phone locating apps are among the criteria for choosing an iPhone - one of Apple's famous, versatile devices for users. Usually, when accessing icloud.com from an Android device, you'll get a notification that your browser can't use the Find iPhone feature. However, in reality, there's still a way to locate your iPhone using a phone number on an Android device if you follow these steps:

Step 1: On your Android device, find the browser interface and tap the three-dot icon. Then, to locate your iPhone using a phone number, a feature form will appear. Choose the feature that requests the website and enable Desktop display to find the sleek iPhone models from Apple on Android.
Step 2: The icloud.com login interface will appear. To locate your iPhone via phone number, enter the information as instructed. Then, we'll find the iPhone on the Android device.
But with this method, you can only know the location of your iPhone, not use other features like locking it.
2. How to locate iPhone using phone number on iOS
To locate an iPhone using a phone number, first, download and install the Find My Friend app on both the searching and the sought-after iPhones. However, this phone locating app only supports iOS 10.0 or higher and requires 20MB of memory.
To track the location of a smartphone with outstanding features like iPhone “A” with iPhone “B”, you need to connect them first. Here's what you do:
Step 1: Launch the phone locating app for iPhone “A”. In the first use, it will ask for location access. Choose settings and activate it. Do the same for iPhone “B”.

Step 2: On device A, you'll see the updated location. Proceed by selecting “Me” at the bottom of the screen. Activate sharing my location and select the iPhone device you want to share the location with.
Step 3: Once successfully installed, return to the main interface of the app and select “Add” located on the right side of the screen. The system will prompt you to connect to iPhone “B” via AirDrop.
Step 4: Swipe up from the bottom to access the control center and select AirDrop. Do the same to enable AirDrop on device “B”. In the app's interface on device “A”, you'll find the iPhone connection, and let's tap on the user icon.
The system will then confirm your connection and ask if you want to share the iPhone's location via phone number for how long on device A.
Step 5: At this point, the device will also receive a notification to connect for tracking the location similarly. Press “accept”.
Then it will provide you with a form and ask if you want to share the location of device B with other devices or not. You should choose not to share.
Step 6: So, locating an iPhone using a phone number is complete. You can track the location of another iPhone on your iPhone using the Find My Friends app. Select “Notifications” to set up location notifications for iPhone. You can customize sending departure notifications as well as locations that this person has visited…
3. Alternative Ways to Locate Your iPhone
3.1 Using Google Maps “Timeline” Feature
Access the hamburger icon in the Google Maps app, go to settings, and select Location History. To view the timeline, visit google.com/maps/timeline. Here, the user's location history will be displayed.
3.2 Using Google Maps “Share Location” Feature
Simply tap on your representative blue dot on Google Maps and press the Share Location button, then choose the person you want to share your location and the duration ranging from 15-3 days.
After pressing share, you can see friends sharing their location on the app, and they will also see your location on their app. The compass on the map will remind you that you are sharing your location. And friends will see it, they may need to return to you and share their location or they will have directions to bring you to them.

3.3 How to Track Phone Location with Google Map via Gmail Account
Step 1: The device you want to locate must have gmail login information. Go to settings - privacy - location - turn on - to activate the Location feature. The device being located needs to have 3G or wifi always turned on.
Step 2: Use a different browser to log in to the google account of the other device to track its location, view the history of places the person being located has been.
3.4 Tracking Someone's Location via Facebook
Open a message with the person you want to send your location to, on the toolbar, click the three dots. “Location” will appear, by default, the location marker will be the current location. If the user wants to mark a different location on Apple Maps or elsewhere, they can move the marker.

Here, Mytour.vn has detailed instructions on how to locate an iPhone using a phone number and many other methods. You can apply these to find your lost phone or track someone. These are seen as lifesavers for tech novices when they forget their iPhones somewhere. Additionally, for cases of device damage or unfortunate loss, where a lot of important personal data is stored, guides on 2 ways to back up an iPhone when it's damaged or lost will help safely restore the information! Especially, the presence of the virtual assistant Siri on the iPhone, not all users know its amazing functions, refer to What is Siri on iPhone? 27 fun Siri features to make the most of it and have fun experiences with your iPhone. This is an essential and useful iPhone user guide to keep in your pocket for personal experience and to help friends and family when needed!