567577
39
Zoom out
Zoom in
Previous page
1/41
Next page
Class User Manual
39
Troubleshooting
Troubleshooting
Problems
Possible Causes
Unable to switch on
1. Does the battery have enough electrical power?
2. Is the battery placed correctly?
SIM failure
1. The SIM card is dirty. Clean it.
2. Reinstall the SIM card.
3. The SIM card is damaged. Replace it.
Poor signal
Check the signal strength icon on the screen. If the icon contains 4 bars, the
signal is at its strongest; if it is below 1 bars, the signal is very poor.
Unable to dial out
1. Maybe you have set Hide My Caller ID but your network operator
does not provide this service for you.
2. There are lots of interference sources in your neighborhood.
3. Maybe you have activated some call restriction function.
Unable to charge the battery
1. The battery may be over-discharged; so it requires a longer charging
period than normal.
2. Its performance has got worse; it is necessary to replace the
battery.
Unable to register to the network
1. Too weak signals or strong interferences.
2. SIM card not properly installed. Bad contact or SIM card damaged. If
the SIM card is broken, please contact the network operator to
replace it.
Photos taken are too dark
1. Brightness is set too low.
2. Ambient light is poor.
Photos taken are unclear
1. Check if your subject is moving too fast.
2. Maybe the phone slightly moved while the shutter was open.
Photos taken are distorted
The subject may be too close for the camera lens.
Service menu is not accessible
Maybe your SIM card doesn't support Services function.
The picture selected as wallpaper is only
partially visible
The size of the photo is probably too large. The recommended size is
320x240.
Abbreviations
SMS
Short Message Service
MMS
Multimedia Message Service
EMS
Enhanced Message Service
SIM
Subscriber Identity Module
GSM
Global System for Mobile Communication
PIN
Personal Identity Number
PUK
PIN Unblocking Key
IMEI
International Mobile Equipment Identity
39


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for NGM Class at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of NGM Class in the language / languages: English as an attachment in your email.

The manual is 1,57 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info