Phone is Dead (POCO X3 Pro)

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Poco X3 Pro

小米 Poco X3 Pro 是小米于 2021 年 3 月发布的入门级智能手机。它配备 6.67 英寸 IPS LCD 屏幕和 4800 万像素主摄像头，搭载高通骁龙 860 处理器。

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Albert Marshall @albertmarshall

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发帖于: 2025年6月13日

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Phone is Dead (POCO X3 Pro)

𝐌𝐲 𝐏𝐨𝐜𝐨 𝐗𝟑 𝐏𝐫𝐨 𝐰𝐚𝐬 𝐰𝐨𝐫𝐤𝐢𝐧𝐠 𝐟𝐢𝐧𝐞. 𝐎𝐧𝐞 𝐝𝐚𝐲, 𝐈 𝐩𝐮𝐭 𝐢𝐭 𝐨𝐧 𝐜𝐡𝐚𝐫𝐠𝐢𝐧𝐠, 𝐛𝐮𝐭 𝐚𝐟𝐭𝐞𝐫 𝐭𝐡𝐚𝐭, 𝐢𝐭 𝐧𝐞𝐯𝐞𝐫 𝐭𝐮𝐫𝐧𝐞𝐝 𝐨𝐧 𝐚𝐠𝐚𝐢𝐧.

I tried different chargers and pressed the power button many times, but nothing happened. The screen is completely black—no light, no vibration, no sign of life.

I took it to a few mobile repair experts. They tried to revive it by revoking the processor maybe, but it didn’t work. One expert said the memory chip might be the problem and could need repair.

The most important thing is, I have very valuable data in that phone—photos, files, contacts, and work documents. I don’t have any backup, and I really need this data.

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যখন আমি ফোনটি চার্জ দিচ্ছিলাম তখন ফোনটা একটু সক দেয় এবং ফোনটি ওর হাত থেকে পড়ে গিয়ে ডেড হয়ে যায়

由 Rakibulgolder Golder 完成的 2026年6月23日

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যখন আমি ফোনটি চার্জ দিচ্ছিলাম তখন ফোনটা একটু সক দেয় এবং ফোনটি ওর হাত থেকে পড়ে গিয়ে ডেড হয়ে যায় — Rakibulgolder Golder

oldturkey03 @oldturkey03 声誉积分: 858.6千 1.4千 972 2.4千 · Answer 1 · 2025-06-14T07:02:57-07:00

oldturkey03 @oldturkey03

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发帖于: 2025年6月14日

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@albertmarshall that is the age old problem with not having backups. There is no way you get the data of your phone unless you get the phone to start up. Transplanting or replacing the memory IC will not recover your data.

You need to determine where the error is. Something like this "revoking the processor maybe" does not tell us much since we do not know what they did. Nor do we know what they have checked. Commonly a no power situation is related to either the charging board, a shorted battery or a torn flex that comes from the daughter board to the main circuit board. Check/replace those. Then check the voltage on your battery connector with the phone plugged in and without.

To replace the battery, use this guide Poco X3 Pro 电池更换 For the rest use this video Let us know what you find out.

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Poco X3 Pro

Phone is Dead (POCO X3 Pro)

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