Note: The system will automatically push and install updates when connected to the internet.

Sufficient battery level is critical for a successful firmware update. Before commencing the update, ensure the battery is adequately charged. An interruption due to a depleted battery may result in a failed update, potentially rendering the radio inoperable.

The key features of the V4.8 update are as follows:
1.Podcast programs are now recommended based on the selected language. For example, if the radio is set to German, only German-language podcasts will be shown.

2.Increased the number of favorite FM and SW stations from 50 to 200.

3.Added the ability to search music via ChatGPT and Google, supporting many languages. The playback priority is: high-bitrate audio sources → low-bitrate audio sources → video converted to audio.

The key features of the V4.7 update are as follows:
1. RDS Functionality Added:Integrated the ability to receive RDS signals, LC90 can now display PS (Program Service), RT (Radio Text), PI (Program Identifier), and PTY (Program Type) information.

2. Podcast Feature:Choyong's Aggregator includes over 10 million podcast episodes, categorized into 18 genres including news, music, sports, and more.All podcasts will be updated automatically. Excellent programs from Spotify and Apple Podcasts can be found on the LC90, and can also use voice search to find your favorite podcasts.

3. ChatGPT Integration:Includes ChatGPT's speech-to-text engine, along with optimized search result matching algorithms that greatly enhance the accuracy of voice search. This feature can be used to search for radio stations and podcasts.

4. Subscription Function for Radios and Podcasts via Choyong Website:Directly search for radio stations and podcasts on the Choyong website and push them to your devices.

5. Account Management and Synchronization:Version 4.7 allows devices to be linked to your email account. Once linked, you can remotely push programs to the device and sync your saved content to all of your Choyong devices.

Note: Battery charge level is really important for the firmware update process. Before you start, make sure to check the battery level to ensure it's sufficiently charged. If the battery gets too low while the update is happening, it can cause the update to fail, and then the radio won’t turn on.

Highlight: Added an E-SIM function that supports operators across all regions! After updating, simply go to the Settings menu and select "Data SIM Card" to purchase your data packages. The E-SIM experience is just like using a physical SIM card, but please note that it may take an extra 30 seconds to find a network when booting up.

Others
1. Enhanced Radio Stations: You can now add radio stations directly through the website!
2. Frozen Signal Fix: We've addressed the freezing issue that occurred in weak signal areas.
3. Sound Issue Resolved: There’s a fix for the sound problem that happened when switching between traditional radio and network stations.
4. Improved Station Search: The method for searching radio stations has been updated from country-based to a more detailed country-state (province, prefecture, county) search. If no stations are available in certain states, it will now show "No Streaming Stations."
5. Better Decoding for Overseas Stations: We've improved the decoding capabilities for international radio stations, allowing for better access to various types of stations.
6. Increased Station Capacity: The number of radio stations available in each region has been increased from 300 to 1,000.
7. Sleep Mode Improvements: When waking up from sleep mode, you will see a prompt saying that the network is connecting, followed by a notification that the connection is successful before playback starts. This significantly reduces the chances of encountering a "Network Error."
8. Station Logos Added: Station logos can now be displayed on the playback interface for a better visual experience.
9. Legal & Regulatory Information: Under "Version Info" in the settings, we've added a section for Legal & Regulatory items, including FCC ID, CE, MIC, and more.
10. Updated Internet Reminder: If the radio is turned on without an internet connection, the reminder has been changed from "Favorite empty" to "Please connect to the internet first to see your favorite stations."

Note: Now the LC90 radio comes with the latest firmware V4.5. If your LC90 has firmware V4.0 or below, please CLICK HERE to download and upgrade the latest firmware.

The main upgrades of the firmware V4.5 include:
1. Added SSB function, supporting LSB and USB
2. Added voice search stations function. You just need to press the"Lang" key long, wait for the Mic icon to start flashing, and then speak out the radio station you want to listen to, such as: "BBC World Service"or "Voice of America.
3. Optimized the speed of entering from sleep mode to regular radio mode and starting playback.
4. Fixed some known bugs, such as screen flickering.