N78 makes an abnormal sound in the machine, high score, pursuit! Urgent!

Rest assured, all 78 users have this problem! The crash has nothing to do with the abnormal noise inside the machine! The reason for the abnormal noise is actually very simple, please open the back cover of the machine, you will find that the upper and lower rows of the machine are horizontal and vertical respectively distributed with a pair of two copper metal contacts, the sound is due to the shaking of these two pairs of contacts, you can try to say that these two pairs of contacts press down and you will find that there is no sound if you do not cover the back cover....Why did Nokia design these two pairs of contacts?

In fact, it is also very simple, because N78 is equipped with GPS satellite positioning function and some are equipped with FM function...One feature that these two features have in common is that they require an antenna! That's the problem, the N78's antenna is designed on the back cover of the phone, you can open it and see....In fact, there is an aluminum antenna buried in the back cover that seems to be nothing, and when the back cover is pressed, the contacts on the phone touch the antenna on the back cover...The copper contacts that were originally loose were pressed to the bottom and could not be shaken...So there's no sound! This time, the landlord is relieved....Hehe, pay attention to the details in life, everything is actually very simple....

If it can still be used normally, there should be no big problem, it may be that the small screw out of the fuselage has fallen off, and it is best to take it to customer service.

Won't it be a screw Have you ever fallen? Programs and more

Causing a crash?

Khan It's okay You remove the back cover and take a closer look Is there two metal heads behind the machine that make the sound it makes, hold it down and shake the phone again, there is no sound.

These two metal heads are connected to the built-in antenna on the back cover.

I've been in this situation at the beginning, and the n78 is very sturdy, so feel free to use it.

Comrade, you need to hack your phone! The folder generated by the software itself, and the original sound is replaced with another sound....Hey, hard to say.

It's a long write, I hope it can help you.

Generally, if it's not a problem with the software and headphones, then you have to flash the computer to try, or grid the machine!

If the jack gets water, or it's worn out too much, you have to fix it, or replace it, and it shouldn't cost much.

Did you try to put it out? Also loud and loud?

1.Mobile phone failure, 2The mobile phone network signal is not good.

Your microphone is broken, go get a new one! Go to the repair phone shop and ask.

If it is the former, it may be a software conflict or a hardware failure, and the latter may be a problem with the network signal.

Restart the phone first and then call**, if it doesn't work, format the phone, and then call**, if not, the microphone is broken.

This happened to my n78 as well, and it also returned to normal after shutting down. The reason is not clear, but when I asked the shopkeeper, it was fine. is normal.

This problem seems to be impossible to fix by itself! You're looking to see if there's anything wrong with the settings! I had no choice but to find a manufacturer to repair it!

After resetting factory settings! If there is no sound when the boot is turned on, it means that the audio PA is broken. It is recommended to send it to customer service for repair!

Is the landlord sure it's a headset and not a headset? If it's just headphones, you'll need to speak into the microphone on your phone.

If you press the headset to answer, there is a small hole near the answer button, that is, is the microphone the kind of wire control that another single earphone is plugged into another socket?

Once plugged in, you just talk to the outlet.

Turn on the standard mode and you have the N78 is a smartphone.

Turn off silent mode! Turn on loud mode!

Of course it didn't work. The millimeter headphone jack lets you plug it in. The copper plate inside can't be bounced. Go to customer service. Tune in for you. It's so simple. But don't it yourself.