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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone, iPad, iPod Hardware Repair

iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides.

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Old 04-26-2017, 08:20   #1 (permalink)
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iphone 5c error(-1)

Cant restore iphone 5c, error is (-1) cant flash baseband, but phone was alive before itunes :-(
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Old 04-26-2017, 08:35   #2 (permalink)
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baseband ic damaged.....
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Old 05-01-2017, 18:19   #3 (permalink)
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Yes that is the fault of baseband chips.First rehot baseband chips and restore if not success then you have to change baseband chips.
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Old 05-03-2017, 00:27   #4 (permalink)
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you cannot change the baseband chip its married with other IC's like cpu and nand, 1st try to check the voltages at pmu-rf and then reball the baseband IC.

Sent from my SM-G920F using Tapatalk
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Old 05-04-2017, 12:21   #5 (permalink)
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Update and patched OS – Open Microsoft Windows Update Page on Windows and click Software Update and install all updates from the Software Update menu in Mac.
Latest iTunes – Launch iTunes and see for updates. Download and install all updates and ensure you’ve an active connection when you’re doing this.

Uninstall / deactivate antivirus and firewall – Third party security software often block data that can damage the computer. Any anti-virus program or software, as a result, most be properly configure and updated to allow for iTunes restoration. If there’s a router on the local network, additional security policies may block the data needed to restore the iPhone.
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Old 05-19-2017, 22:44   #6 (permalink)
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Originally Posted by mobileunlockers View Post
you cannot change the baseband chip its married with other IC's like cpu and nand, 1st try to check the voltages at pmu-rf and then reball the baseband IC.

Sent from my SM-G920F using Tapatalk
Hi, can you esplain a bit more about pmu-rf voltage ?
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Old 05-22-2017, 15:34   #7 (permalink)
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plz use schematic and u will be know
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