When buying an iPhone on the secondary market, you need to thoroughly check the smartphone for functionality. Some sensor or module in the gadget may not work, there may be light on the screen, debris in the camera, or dust in the speaker connector.

In order not to forget what checks need to be carried out and how to properly test different elements, I have long found and often use the simple and free Phone Doctor Plus application.

You can suddenly download the utility in advance before purchasing or do everything right at the meeting. Now let’s see what else is useful for diagnostics and what elements can be checked.

What you need to fully check your iPhone using the app

To check your smartphone you will need the following accessories and things:

▶ charging cable

▶ Power adapter and socket or PowerBank

▶ wireless charging

▶ headset

▶ NFC tag, a bank card with contactless payment will do

▶ Wi-Fi hotspot and SIM card with mobile Internet

All this will help you carry out absolutely all the checks available in the application.

How to check in the application

Prepare all the accessories from the list above and start working on the sides.

1. Install the Phone Doctor Plus app from the App Store.

2. Launch the application and grant all required permissions. Without them, the program will not have access to the necessary modules and will not be able to check them.

3. Log in to the “Member” tab (yes, the translation in the application is a little clumsy), this can be done through Apple authorization with a one-time email. This is required to pass advanced tests.

4. Open the tab Interaction and first read the tests from the section Generaland then Professional.

5. In the process, follow the steps that the verification wizard asks, connect. disconnect charging, headphones and other accessories.

6. If you didn’t have time to complete a test and answer the next one, don’t worry, you can restart the failed blocks again.

7. After testing is completed, press the button in the upper right corner of the remote control to see a report of the test results.

Diagnosing an iPhone through the app will take no more than 10 minutes. It is better to conduct it in a quiet place so that all speaker and microphone tests are successful.

What was in the previous Phone Doctor Plus application

Iron: processor, storage, RAM, vibration motor, compliance of the data in the device parameters with those specified for a particular case (they try to give one model another, more similar one and replace the data using jailbreak or additional tools).

Display: multi-touch operation, sensor operation on an area, continuous touching of the screen, illumination of the matrix in different colors.

Microphone and speaker: External and conversational speakers, headset (available), all smartphone microphones.

Camera: frontal, main (with alternate switching of all modules), viewing and face recognition, flash.

Charger: charging connector, power controller, wireless charging.

Sensors: Face ID/Touch ID, proximity sensor, accelerometer, gyroscope, compass, pressure sensor, LiDAR.

Modules: Wi-Fi, LTE, Bluetooth, NFC, GPS, phone calls.

Buttons: Volume button, power button, silent switch, action button, key rollover.

Essentially, this is everything that a user can check on an iPhone without a computer or additional equipment. All tests fit conveniently into one application, no additional download required, search online, not online.

Such a check will help you spot unobvious bugs or problems with the smartphone before buying it in person.






Source: Iphones RU

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I am a professional journalist and content creator with extensive experience writing for news websites. I currently work as an author at Gadget Onus, where I specialize in covering hot news topics. My written pieces have been published on some of the biggest media outlets around the world, including The Guardian and BBC News.

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