Samsung Galaxy Watch4 Classic R890 Battery Replacement Full Repair Process

This video presents the full repair process for the Samsung Galaxy Watch4 Classic R890, focusing on the replacement of the battery. The procedure is shown step by step, highlighting safe handling and correct use of tools. Timeline of the process: 0:00 Removing screws using a Y00 screwdriver 0:37 Removing the back cover 1:07 Detaching flex connectors with a plastic tool 1:23 Removing the screw with a Phillips #00 screwdriver 1:29 Removing the mainboard 1:39 Removing the internal frame with the battery 2:02 Applying ethyl alcohol to soften the battery adhesive 2:17 Detaching the battery using a plastic tool 2:31 Comparing the swollen old battery with the rigid new one 3:09 Installing the new battery into the internal frame 3:43 Mounting the internal frame with the battery into the display frame 3:51 Installing the mainboard and reconnecting flex cables 4:24 Mounting the back cover 4:53 Final step – fastening the screws of the back cover ⚠️ Important Safety Note: Handle connectors, flex cables, and the battery with care. Do not puncture or bend the battery. Always use proper tools to avoid damage. ⚠️ Disclaimer: This video is for educational purposes only. Attempting repairs on your own device is at your own risk. If you found this repair showcase useful, don’t forget to: 👍 Like the video 🔔 Subscribe to the channel 💬 Share your feedback or questions in the comments • Samsung Galaxy Watch4 Classic R890 battery replacement • Galaxy Watch4 Classic battery change • Samsung R890 smartwatch repair • Galaxy Watch4 battery removal • Samsung Watch4 Classic disassembly • R890 battery replacement tutorial • Samsung Galaxy Watch4 repair process • Galaxy Watch4 Classic quick battery fix