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To begin, you’ll need to disassemble the device. For a detailed guide on how to take apart the Samsung Galaxy S21 Plus,
check out this comprehensive tutorial: 👉 [How to Disassemble Samsung Galaxy S21 Plus (SM-G996)]
The phone’s cracked back cover suggests that the problem likely lies with the connectors. These components are highly susceptible to damage when the phone is dropped.
1️⃣ Carefully disassemble the phone, ensuring you follow proper procedures to avoid further damage.
2️⃣ Once the phone is open, inspect the connectors on the motherboard and flex cables. These are critical for charging and network functionality.
Upon closer examination, you’ll notice that both connectors—the one connecting to the lower board and the antenna flex cable—are broken. This is a common issue after a drop.
3️⃣ Next, secure the motherboard on a repair workstation to ensure stability during the repair process.
4️⃣ Gently remove the damaged connectors and clean the contact pads to prepare for the replacement.
We keep a large stock of connectors for various Samsung models because they’re in high demand due to frequent damage. 😂
5️⃣ Using a soldering station, carefully install the new connectors. For precision, solder the contacts under a microscope to ensure a secure and accurate connection.
6️⃣ During the repair, I noticed that the connector on the antenna flex cable was also damaged.
It’s a good idea to replace this connector as well to avoid future issues.
7️⃣ Once the new connectors are installed, reassemble the phone and test the charging functionality. Success! It’s working perfectly. 👍
8️⃣ Finally, test the network connection. Everything is functioning as it should—problem solved! 👍
This repair demonstrates how damaged connectors can cause charging and network issues in the Samsung Galaxy S21 Plus. By following these steps, you can restore your device to full functionality. If you’re not comfortable performing the repair yourself, consider reaching out to a professional technician.
Good luck with your repair! 🔧📱
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