Technical Specification


Removable Lithium Ion
Talk Time*
9.5 hours
Standby Time*
13 days


Display Type
2.0" QVGA TFT, 240x320
Display Cover


2MP, Auto focus
Video Capture


Audio Jack
micro-USB 2.0
Sim Type
Mini sim

Data Speed

Maximum Downlink Data Rate
85.6 Kbps
Maximum Uplink Data Rate
42.8 Kbps


ROM Flash
512 MB
256 MB
Extended Storage
microSD™ up to 8 GB


Audio Playback
Audio Recording
MPEG4, H.263
Video Playback
Video Recording
MPEG4, H.263


2G Frequencies
850/900/1800/1900 MHz
3G Frequencies
4G Bands (LTE)


Processor Type
MediaTek, MT6235, 208 MHz


IP Rating
IP67 Certified
Up to 1m for 30 mins
Dust Proof
Impervious to dust
Drop Test
Up to 1.8M (6 ft)
Military Standard


Proximity Sensor
Ambient Light Sensor


125 x 57 x 22 mm

Frequently Asked Questions

How do I recover when the phone will not charge?
  1. To charge the B25 always use the CAT supplied charging accessory.
  2. Use of a None CAT charger can lead to failure to charge, and in some cases damage to the connector on the Device.
    Note: Damage caused to the devices connector by use of incorrect accessory is not covered under the devices warranty.

  3. Insert the correct CAT accessory and charge.
How do I perform a Factory reset?

Note: Before performing this activity ensure you have backed up and secured your data.

  1. Go to the settings menu
  2. Scroll down this screen and select Restore Factory settings.
  3. A request to input phone password, will be shown on the screen.
  4. Default code is 1122, request “Restore settings and restart the phone” select yes.
  5. The phone will then reboot.
How do I resolve when Poor Sound Quality is experienced, after being immersed in water?

If the handset has been subject to emersion in water then the microphone and speaker will need to dry out for them to resume to normal functionality.

How do I find my IMEI Number?
  1. This can be found on the outside of the box that you received your phone in, and makes up part of the Approval’s label.
  2. The IMEI is also printed on the label inside the battery bay.
  3. If not available, Type into the device via the keyboard*#06# a pop up box will show the device IMEI.
How do I check the software version of the phone?

To check in Factory mode:

  1. Type into the device via the keyboard *#66*#.
  2. Device will enter factory mode.
  3. Select “Show IMEI, BT, SW version” select OK.

The information of SW build and build time will be displayed.

How do I turn On/Off predictive text?
  1. Go to the settings menu.
  2. Select messaging.
  3. Select “Write message”
  4. Select “Text message” and select “Options”, move the cursor to input method and Select.
  5. To enable predictive text select one of the smart options. To disable then select a non-smart option.
How do I enable/disable Bluetooth and connect to another Bluetooth device?

On the device

  1. Go to Menu screen and select settings.
  2. Scroll down and select connectivity
  3. Select Bluetooth and then select “My Device”.
  4. Then select the option “Search new device” and press OK.
  5. Request to Power on Bluetooth will appear on the screen Select YES.
  6. From the list of devices select the device you wish to pair with, and press the pair button.
  7. Confirm the pass code is the same on both devices and then press the YES button.
How can I transfer data to another device via Bluetooth (for example an image)?
  1. Go to Multimedia menu.
  2. Select the Image viewer and select the image you wish to transfer.
  3. Press the options button, scroll down to send, and select “Via Bluetooth”.
  4. Search and Select the device to send to and send
How do I copy contacts from the SIM card to the Device?
  1. Go to the “Contacts” in the menu screen.
  2. Press the options button
  3. Scroll Up or Down to “Phonebook settings” and press select.
  4. Select “Copy contacts” and then press select button.
  5. Select either to SIM or to Phone, confirm you would like copy all SIM contacts and press YES.
How can I back up data to an external storage device?

On your CAT B25

  1. Go to File Manager and press OK
  2. Ensure the device has a viable and formatted SD card installed.
  3. In the File Manager screen, choose “Phone” option, in this example choose “Photos”.
  4. Press options and open.
  5. Scroll to the image to be backed up, press options scroll down to “Mark several” and press select.
  6. Scroll down and press “Copy Marked”, the file(s) to be backed up will be available with a tick box, press select on the file to be saved. Press options and then “Done”.
  7. The screen will now show two options, Phone and Memory card, choose Memory card.
  8. Folders on the SD Memory card will be visible, select the desired location. Press options and then select a pop up box will appear, “COPIED” will be displayed.
  9. The later variant of the B25, the B25B has lower memory capacity and it is important to regularly review the level of data stored and take the relevant action, be that move to SD card or discard the content.
What does the Message please Insert SIM card indicate?
  1. Make sure that you have correctly inserted the SIM card – The SIM card port cover has an illustration of the required SIM card orientation
    IMPORTANT NOTE – If using a Micro SIM use a SIM adaptor to ensure the correct location. Never insert the SIM adaptor without the SIM card, as the connectors will be damaged.
  2. If correctly fitted and the message is still displayed, please clean the contacts of the SIM card using a dry cloth.
  3. If still not being recognised please call your Network provider to ensure the SIM card has been enabled or to check if they have any further instructions.
Why do Calls to this device get picked up by other devices?
  1. Go to the phone menu and select settings.
  2. Select Voice call, select call forwarding
  3. Check if the “Always forward” option is enabled, if this is the case disable. In this screen there are three further options “forward when busy”, “Forward when unanswered” and “Forward when un reachable”.
  4. Enable/Disable the functionality you desire.
How is Caller ID enabled/disabled on this device?
  1. Go to the phone menu and select Call centre.
  2. In this screen scroll down to “Call settings”.
  3. Select Caller ID, there are a number of options.
  4. “Hide ID”, check this is not set as this will prevent the caller ID being displayed at the receiving device.
  5. “Send ID”, select this to ensure Caller ID is displayed at the receiving device.

Note: Options may differ dependant on network and software version.

What should I do if the device displays message “No Service”?
  1. This may be displayed if you are in an area that is not covered by your Network provider, or if you are in an area of poor reception for example an enclosed area.
  2. No service will be displayed on your screen until the situation is resolved by relocating to an area of service.
  3. If this problem persists when in a known good service location, contact your Network provider to ensure there are no restrictions on service or your SIM services.
What do I do if “Emergency Call only” is displayed on your Home screen?

This will be displayed if there are issues with the SIM card.

Additionally if you are in an area not covered by your Network Provider but covered by another Network provider.

What do I need to do if “Enter PUK code” is displayed?
  1. Following three consecutive failures to input the correct SIM card PIN code, the PIN code will be blocked and the request for the PUK code will be displayed.
  2. Before attempting to input the PUK code ensure that you have the correct code provided by Network provider.
  3. After ten unsuccessful attempts to input the PUK code, the SIM card will be permanently disabled.
  4. Once the SIM card is permanently disabled you will need to contact relevant body to purchase a New SIM card.
What should I do when experiencing Reception Issues?
  1. Poor quality of calls: Please check if the volume of the device is adjusted to an acceptable comfortable level.
  2. When the device is used in the areas with poor signal, e.g. near the high buildings or in basements, the call quality may be affected adversely.
  3. When this device is used in a high call intensity period, like the rush hours, call failure may be caused by network congestion
  4. Standby time is reduced, Standby time is related to the system setting of network, it may be that the phone is used in an area with poor signal. Where there is poor signal, the phone will constantly attempt to communicate by searching for base station signal and battery lose charge quicker, hence the standby time is reduced.
After a recent call on a following call I could not hear anything through the headset or speaker.

Check that by accident during the preceding call you have not pressed the mute button on the keyboard.

Press the volume up button to ensure the volume is at an adequate level.

*Network bands in regions may be different, depending on the mobile operator and your location. Upload and download speeds also depend on the mobile operator. Available storage is less due to phone software. Battery times (talk-time, standby time, and more) are subject to network and phone usage. Note: Specifications are subject to change without prior notice.