
The Treo 600 is a classic smartphone that still holds up today. It has a sleek design that was ahead of its time, with a 2.2-inch monochrome display and a stainless steel frame.
One of the standout features of the Treo 600 is its QWERTY keyboard, which was a major selling point back in the day. This keyboard allowed users to type out emails and texts with ease.
The Treo 600 also has a built-in camera, which was a novelty at the time but has since become a standard feature in most smartphones. This camera is capable of taking 320x240 resolution photos.
The Treo 600's battery life is decent, lasting around 4-5 hours of talk time and 10-12 hours of standby time.
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Design and Hardware
The Treo 600 has a unique design that's both compact and functional. It's slightly wider and deeper than its predecessor, but half an inch slimmer, giving it a more cell-phone like feel.
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The front of the phone features a full QWERTY keyboard at the bottom, with menu and home buttons at the bottom right. Above the keyboard are the 4 application buttons with a "five-way" navigator in-between.
The Treo 600 has a 160x160 color touch screen, which provides a clear and vibrant display. The display type is LCD (Color) and it supports 3,375 colors.
The phone's dimensions are 4.41 x 2.36 x 0.87 in, weighing 6.2 oz (176 g).
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Design
The Treo 600 is a rather large device by cell phone standards, but compact for a PDA.
It's slightly wider and deeper than its predecessor, but nearly half an inch slimmer, giving it a more cell-phone like feel.
The design is often compared to a bar of soap, which is a fitting comparison given its shape.
The front of the phone features a full QWERTY keyboard at the bottom, along with menu and home buttons at the bottom right.
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A "five-way" navigator is located between the application buttons, which can be mapped to two applications each, except for the last button which has one function permanently mapped to the on/off switch.
The top of the phone is home to the earpiece, antenna, SDIO/MMC slot, and infrared port, as well as the power button.
The power button can be used to turn off the screen, or, if held down for a few seconds, can turn off the radio functions.
A switch is located opposite the IR port, which can be used to switch between normal ringer operation and silent mode with vibration.
The back of the Treo is simple, with a Palm logo at the bottom and a reset pin hole offset to the right.
A sticker on the back contains various serial numbers, and a triangular-shaped speaker grill is located nearby.
The VGA camera lens is situated above the speaker grill, and the top of the stylus is visible above and to the left of the lens.
The bottom of the phone houses the 2.5 mm jack, which can output stereo sound and accept an adapter for standard 3.5 mm jack.
A connector used for data transfer and charging is located next to the audio jack, in the center of the phone.
Two volume keys are situated on the upper left side of the phone, while the right side is a mirror image of the left without the volume keys.
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Palm (GSM)
The Palm Treo 600 (GSM) has a sleek new form factor that combines a Palm OS 5 PDA with a quad-band GSM world phone and a VGA camera.
Its display features 160 x 160 pixels, with a color LCD that can show 3,375 colors. The device's battery life is decent, with a maximum talk time of 5 hours and a maximum standby time of 240 hours.
The Palm Treo 600 (GSM) has 24 MB of internal storage, which is expandable via a memory card. If you need to store more data, you can use the SDIO expansion slot.
The device has a unique 5-way navigation system for one-handed use, making it easy to access PDA functions without having to switch between modes. The device also features a QWERTY mini-keyboard for typing.
Here are the device's network bands:
The device also features infrared (IR) connectivity and a USB port for data transfer.
Palm (CDMA)
The Palm Treo 600 (CDMA) was a sleek device that combined a Palm OS 5 PDA with a dual-band CDMA phone and a VGA camera.
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The display of the Palm Treo 600 (CDMA) was a 160 x 160 pixel LCD (Color) with 3,375 colors.
The battery life was decent, with a maximum talk time of 4 hours and a maximum standby time of 240 hours.
The processor was a 144 MHz chip that powered the device.
The Palm Treo 600 (CDMA) had 24 MB of internal storage, which was expandable via memory card.
The device also had a camera, which is always a nice feature.
The Palm Treo 600 (CDMA) weighed 6.2 oz (176 g) and measured 4.41 x 2.36 x 0.87 in (112 x 60 x 22.1 mm).
Here's a quick rundown of the device's specs:
The Palm Treo 600 (CDMA) used the Palm OS and supported CDMA network bands, including 850 and 1900 MHz.
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Troubleshooting
If you're experiencing issues with your Treo 600, there are a few simple things you can try to troubleshoot the problem.
First, make sure your Sim card is installed correctly. Locate the Sim slot on the top of the device near the antenna, and remove the Sim tray from the slot. Then, check that the Sim card is properly oriented in the tray.
If your Sim card is in good condition, try cleaning it with a q-tip and rubbing alcohol on the electrical contacts. This can help resolve issues with connectivity.
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Device Won't Turn On

So, your device won't turn on - that's frustrating! It's possible that the battery is completely drained, which can happen if you've been using your device for an extended period without charging it.
First, check if the power button is working properly. If it's not, try pressing and holding the power button for 30 seconds to discharge any residual power.
The power button might be faulty, which could be the cause of the issue. You can try using a different power button or replacing it if necessary.
If the device still won't turn on, try charging it for at least 30 minutes to see if it will turn on. This is especially true if the device has been stored for an extended period.
A dead battery can be caused by a faulty charging port, so check if the charging port is clean and free of debris.
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Not Receiving Calls
If you're not receiving calls, it's likely due to a problem with your phone's settings or network connection.
First, check your phone's Do Not Disturb mode, which can be enabled by accident or intentionally. Make sure it's turned off.
Ensure your phone is not in silent mode, which can also prevent calls from ringing. Check your phone's volume settings to confirm it's not muted.
Check your phone's network connection, as a weak or no connection can prevent calls from being received. Restart your phone to refresh the connection.
If you're using a third-party app to manage your phone's settings, try uninstalling it to see if it's causing the issue. Some apps can interfere with your phone's functionality.
Your phone's battery level can also affect call reception, so ensure it's fully charged or plugged in.
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Sim Card Installation Error
If the sim card is not installed correctly, it can cause connectivity issues. The sim slot is usually located on the top of the device near the antenna.
To troubleshoot this issue, first, locate the sim slot on your device and remove the sim tray. Make sure the sim card is properly oriented in the tray.
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Cleaning the sim card can also resolve the issue. Use a q-tip and rubbing alcohol to gently clean the electrical contacts on the sim card.
If the sim card is still not working, try reinstalling it. Place the sim card in the tray and slide the tray back into the slot.
User Feedback
User feedback from Palm Treo 600 users reveals some common issues.
The Palm Treo 600 has a problem with playing MP3 files.
It's recommended to download a MP3 player and install it on the phone from a computer.
Some users experience issues with the phone only working on speakerphone.
A user purchased the phone from eBay and had it working well for two weeks before the issue started.
Another user had a similar problem, suggesting that the issue might be related to the battery.
Users have reported issues with the camera freezing and not being able to make calls while the phone is not connected to a charger.
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The battery might be the culprit, as one user suggested that sending messages while the phone is plugged in the charger solves the problem.
The volume buttons on the upper left side of the phone can be used as a navigator to read messages and other content.
Most units have this feature, but it's not clear if the Treo 600 is an exception.
Frequently Asked Questions
When did the Treo 600 come out?
The Treo 600 was released in November 2003. This marked the beginning of a new era in mobile communication and productivity.
Who made the Treo?
The Treo was originally developed by Handspring, which was later acquired by Palm, Inc. and manufactured by Palm.
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