1. Introduction
The Plum RAM Plus is a rugged 4G VoLTE flip phone designed for durability and ease of use. This device supports 4G VoLTE (Voice Over LTE) for high-definition voice calls and is compatible with T-Mobile networks. Featuring an IP68 rating, it offers resistance against water, shock, and dust, making it suitable for various environments. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Plum RAM Plus phone.

Image: Plum RAM Plus 4G VoLTE Rugged Flip Phone in closed position, displaying the time and date on its external screen.
2. What's in the Box
Verify that all items are present in your product packaging:
- Plum RAM Plus Phone
- Battery
- Power Adapter
- USB Cable
- Handsfree Earphones
- Quick Guide

Image: All components included with the Plum RAM Plus phone, neatly arranged on a wooden background.
3. Setup
3.1. SIM Card and Battery Installation
- Remove Back Cover: Gently pry open the back cover of the phone.
- Insert SIM Card: Locate the SIM card slot(s). Insert your Nano SIM card(s) into the designated slot(s) with the gold contacts facing down, ensuring it clicks into place. The phone supports a single SIM card.
- Insert Battery: Align the battery contacts with the terminals inside the phone compartment and gently press the battery into place.
- Replace Back Cover: Securely reattach the back cover until it clicks into place around all edges.
3.2. Charging the Phone
Before initial use, fully charge the phone's battery. The Plum RAM Plus offers two charging methods:
- Micro USB Cable: Connect the Micro USB cable to the charging port on the side of the phone and the other end to the power adapter. Plug the adapter into a wall outlet.
- Desktop Charger: Place the phone into the desktop charging cradle. Ensure the phone is correctly seated and the charging indicator light on the cradle illuminates. Connect the desktop charger to the power adapter and then to a wall outlet.
A full charge typically takes approximately 2-3 hours. The battery indicator on the screen will show charging status.

Image: The Plum RAM Plus phone securely placed in its desktop charging cradle.
4. Operating Instructions
4.1. Power On/Off
- Power On: Press and hold the red 'End Call/Power' button (usually marked with a red phone icon) until the screen illuminates.
- Power Off: Press and hold the red 'End Call/Power' button until a power-off option appears on the screen. Select 'Power Off' and confirm.
4.2. Basic Navigation
Use the directional keypad (up, down, left, right) and the center 'OK' button to navigate through menus and select options. The 'Back' button (often labeled with a right arrow or 'Back') returns to the previous screen.

Image: The Plum RAM Plus phone opened, displaying its internal screen with various application icons and the full physical keypad.
4.3. Making Calls
- Dialing: From the home screen, enter the phone number using the keypad. Press the green 'Call' button (usually marked with a green phone icon) to initiate the call.
- Contacts: Navigate to the 'Contacts' menu, select the desired contact, and press the green 'Call' button.
- Answering/Ending Calls: Press the green 'Call' button to answer an incoming call. Press the red 'End Call/Power' button to end a call.
4.4. Sending Messages
- Access Messages: From the main menu, select 'Messages'.
- New Message: Choose 'New Message' or 'Create Message'.
- Enter Recipient: Enter the recipient's phone number or select from contacts.
- Type Message: Use the keypad to type your message. Press the corresponding number key multiple times to cycle through letters.
- Send: Select 'Send' to transmit the message.
4.5. Camera Use
The Plum RAM Plus features a 5MP camera. To use the camera:
- Open Camera: Navigate to the 'Camera' application from the main menu.
- Capture Photo: Frame your shot using the screen as a viewfinder. Press the 'OK' button to take a picture.
- View Photos: Access your photos through the 'Gallery' or 'Photos' application.
5. Maintenance
5.1. Cleaning Your Phone
To clean your Plum RAM Plus, use a soft, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals, solvents, or abrasive cleaners, as these can damage the phone's surface and seals.
5.2. Water and Dust Resistance (IP68)
The Plum RAM Plus is IP68 certified, meaning it is resistant to dust ingress and can withstand immersion in water up to 1.5 meters for 30 minutes. To maintain its water and dust resistance:
- Ensure the back cover is always securely closed.
- Keep the USB port and headphone jack covers (if present) firmly sealed when not in use.
- Avoid exposing the phone to high-pressure water or extreme temperatures.
- If the phone gets wet, dry it thoroughly with a clean cloth before charging or opening any ports.

Image: A visual representation of the Plum RAM Plus's rugged design, suitable for challenging environments.
6. Troubleshooting
If you encounter issues with your Plum RAM Plus, try the following steps:
- Phone Not Turning On: Ensure the battery is charged. Connect the phone to the charger and try powering it on again.
- No Network Signal: Check if your SIM card is correctly inserted. Verify that you are within T-Mobile network coverage. Restart the phone.
- Cannot Make/Receive Calls: Confirm that your SIM card is active and has sufficient credit/plan. Check network signal strength.
- Battery Draining Quickly: Reduce screen brightness. Close unused applications. Ensure the phone is not in an area with poor signal, which can cause increased battery usage.
- Phone Freezing/Unresponsive: Remove the battery, wait a few seconds, and then reinsert it to perform a hard reset.
If problems persist, consult the Plum Mobile website for further support or contact customer service.
7. Specifications
| Brand | Plum |
| Model Name | RAM Plus |
| Operating System | Proprietary |
| Cellular Technology | 4G VoLTE |
| Wireless Carrier | T-Mobile (Compatible Only) |
| Screen Size | 2.4 Inches |
| Resolution | 480 x 320 |
| RAM Memory | 512 MB |
| Memory Storage Capacity | 1 GB |
| Camera Description | Front, Rear (5MP) |
| Battery Capacity | 1200 mAh (Lithium-Polymer) |
| Battery Average Life | 120 Hours (Standby) |
| Phone Talk Time | 16 Hours |
| Water Resistance Level | IP68 (Water Resistant) |
| SIM Card Slot Count | Single SIM (Nano) |
| Connector Type | Micro USB |
| Headphones Jack | 3.5 mm |
8. Warranty and Support
8.1. Product Warranty
The Plum RAM Plus comes with a 1-Year Limited Warranty from the date of purchase. This warranty covers manufacturing defects under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. Please retain your proof of purchase for warranty claims.
8.2. Customer Support
For technical assistance, warranty claims, or further inquiries, please visit the official Plum Mobile website or contact their customer support directly. Refer to the contact information provided in your Quick Guide or on the Plum Mobile website.