doc:appunti:hardware:kingelon_g9000
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doc:appunti:hardware:kingelon_g9000 [2015/03/09 17:16] – [Disassembling the G9000] niccolo | doc:appunti:hardware:kingelon_g9000 [2017/11/17 12:27] (current) – [The Android System Recovery menu] niccolo | ||
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- Power-off the phone and detach any USB cable. | - Power-off the phone and detach any USB cable. | ||
- | - Keep pressed the **volume + button** while pressing the **power button**. | + | - Keep pressed the **Volume UP button** while pressing the **power button**. |
- Release the buttons, after the Welcome logo you get the broken Android icon. | - Release the buttons, after the Welcome logo you get the broken Android icon. | ||
- Press the **power button once**, you get the menu. | - Press the **power button once**, you get the menu. | ||
**WARNING!** **There is a bug** in the Recovery, buttons does not work as stated: | **WARNING!** **There is a bug** in the Recovery, buttons does not work as stated: | ||
- | * To **navigate** the menu use only the **volume - button** | + | * To **navigate** the menu use only the **Volume Down button** |
- | * To **select** the menu item use the **volume + button** | + | * To **select** the menu item use the **Volume Up button** |
* The power button does not work, it just hide/show the menu | * The power button does not work, it just hide/show the menu | ||
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10.200.148.163 dev ccmni0 | 10.200.148.163 dev ccmni0 | ||
</ | </ | ||
- | ===== Disassembling | + | ===== Charging problem: disassembling |
After three months of use, the phone started suffering from **charging problem**. | After three months of use, the phone started suffering from **charging problem**. | ||
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{{.: | {{.: | ||
- | Now you can rotate the power board and see the **flat connector**. The **white piece of plastic** keeps the connector locked: flip it, so the connector is released. | + | Now you can rotate the power board and see the **flat connector**. The **white piece of plastic** keeps the connector locked-in: flip it, so the connector is released. |
{{.: | {{.: | ||
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Now the power board is free and you can reflow the soldering. I put very little **soldering flux** over the contacts, a bit of **tin** (a good **silver-alloy**) on the soldering iron. I used a 2 mm soldering tip, larger than the contacts, so I used very few tin for a very short time. Clean the flux with a needle, **cotton swab and alcohol**; inspect closely to avoid short-circuits. | Now the power board is free and you can reflow the soldering. I put very little **soldering flux** over the contacts, a bit of **tin** (a good **silver-alloy**) on the soldering iron. I used a 2 mm soldering tip, larger than the contacts, so I used very few tin for a very short time. Clean the flux with a needle, **cotton swab and alcohol**; inspect closely to avoid short-circuits. | ||
+ | |||
+ | After some days of use, it seems that **the charging problem is solved**. | ||
===== Link ===== | ===== Link ===== | ||
doc/appunti/hardware/kingelon_g9000.1425917806.txt.gz · Last modified: 2015/03/09 17:16 by niccolo