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2014年6月に発売されたSamsung Galaxy S5 Activeのモデル番号はSM- G870Aです。このデバイスの修理は大規模に渡り、ヒートガンとスマートフォン専用のツールキットが必要です。

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Why is my phone on crack?

Please help. Like an idiot, I left me Samsung S5 Active in the sun for about 10 minutes this past Sunday. This extended tanning experience seems to have fried it. When I realized it was overheated, the phone had shut off. When I powered it back on, it cycled through the Samsung intro onto the AT&T intro and then went black. After about 5 seconds of black, it would start this process again...Samsung...AT&T...Black. Wash, rinse, and repeat...and repeat... Once cooled, I tried it again with the same result. HOWEVER, after I connected it to the charger (battery showed a 91% charge and does continue to charge), the phone would reboot completely allowing me to make and receive calls, send and receive texts, etc...In other words, it functioned normally. The next day (after making and receiving calls and texts), when pressing a contact on the screen to make a call, the screen went blank again...and the whole original Wash-Rinse-Repeat (WRR) cycle began anew. When I plug it into a usb to charge, it reboots and operates fine for a period of time....then without warning, the WRR cycle starts. Do you have any idea what the issue might be? Please advise as I am not thrilled at the concept of using my Nokia (backup phone) for any length of time.

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The overheating likely damaged the processor or some other critical IC, causing it to intermittently quit. No, a reflow will not help, because none of the solder balls were heated enough to melt. The best solution here is to replace the whole logic board unless you know how to do board repair.Mendon iPad rehab will do board repairs if that is the route you want to go.

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Patrick Church さん、ありがとうございました!
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