How to check the volume decibel of Huawei smartphone C8650?

Test with a decibel tester.

Decibel is a unit that measures the ratio of two identical units, mainly used to measure the intensity of sound, and is often expressed as dB. "Deci-" means one-tenth of a tenth, and the single digit is "Bell" or "Bell" (in honor of the inventor Alexander Graham Bell), but generally only decibels. The commonly used air reference sound pressure is = 20 Pa (micropascal) (rms), which is generally considered to be the minimum auditory response in humans (approximately the sound of a mosquito flying 3 meters away).

The most complete level measurement, measuring 1 Pascal equals 94 dB sound pressure level. In other media, such as underwater, 1 micropascal is more common. These standards are incorporated.

Hello, the mobile phone can not directly see how many decibels the volume of the mobile phone is, but to use a test instrument to measure the number of decibels of the volume.

If you want to check the decibel of your mobile phone, then you need to buy a special tester, because the mobile phone itself cannot test your decibels, only UFIDA can use a professional decibel measuring instrument.

Huawei smartphone C8650 volume cut, if you want to check, you can check the sound quality through it, or connect it through the computer.

The volume decibel of the c8650 in my mobile phone is probably the same as the mobile phone is set to one, and finally turn on my traffic.

If you want to measure the volume and decibel of your mobile phone, you still need to have a special instrument, and there is no way to measure it directly.

The volume can be increased and decreased, but the specific decibel size cannot be different.

The volume and distribution of this mobile phone must not be able to be checked, right?,Is there this measurement?

1. First turn on your phone and open the "Settings" on your desktop.

2. Open the settings and find the "General" option.

3. After clicking General, you will enter the interface of General Options.

4. In the general interface, open the first option "About This Mac" option.

5. After opening the About This Machine option, find the letters and numbers after the option of "Serial Number".

6. After remembering the serial number of the phone, then open the ** used for querying on the Huawei network, and enter the serial number of the phone in the input box on the page.

7. Click on the query, and you're good to go.

Check the activation time of your phone.

1. First turn on your phone and open the "Settings" on your desktop.

2. Open the settings and find the "General" option.

3. After clicking General, you will enter the interface of General Options.

4. In the general interface, open the first option "About This Mac" option.

5. After opening the About This Machine option, find the letters and numbers after the option of "Serial Number".

6. After remembering the serial number of the phone, then open the ** used for querying on the Huawei network, and enter the serial number of the phone in the input box on the page.

7. Click on the query, and you're good to go.

Because the recovery you flashed in is in English. You can go to the forum to find the Chinese version of the brush.

Then your flashing software is not in Chinese.

Press and hold the volume up or down? To flash the machine, press the volume and power button to stay for about 10 seconds, and let go after the engineering mode appears.

It's okay, it's just that it's easy to have problems when flashing.

Telecom does a good job of doing school activities, but if you don't have too high requirements for mobile phones, it's okay. It's not good to play games, what do you want to do online, it's very powerful, after all, it's 3G.

This one can definitely be used.

OK! My Huawei C8650 is ok, I don't know how yours is.

You can use it, if you can't, call 10086 and ask!

It is recommended to use a third-party input method, such as Sogou, input method, Huawei input method is very garbage.

A thousand-yuan smart phone of Telecom.

You just need to look at the mobile phone system, as long as you bring androd Android, Apple iOS, Symbian, are all smart phones, Symbian system is the earliest smart phone system, but the touch is not good, and it is getting worse and worse. The Android system used by C8650 is, of course, a smart phone.

Telecom mobile phone traffic can not be saved, telecom GPRS billing is very unreasonable, much worse than China Unicom Mobile, but the signal is absolutely strong. China Unicom Mobile's 3G signal gods are all floating clouds. We can only expect a new billing policy from telecommunications.