I've had no reason to get inside our Android phones but a couple of
weeks ago my Google Nexus 7 (7" tablet) was refusing to boot and
apparently not accepting a battery charge. A little bit of Googling
showed it that it might be due to a little bit of computer confusion
where the battery charge was too low to allow the charging logic to take
hold. Unclear how that happens.
The solution is to open the machine (small screwdriver makes quick work
of the clamshell covers), remove the battery (held in place with double
stick tape) unplug it from the the device's charging circuit and then
direct wire a USB plug's positive and negative wires to the battery.
Making the connections required sticking a couple of straight pins into
the connectors on the battery, sacrificing an old USB plug and cable and
soldering some alligator clips to the wires so they could attach to the
straight pins.
A few hours on the USB charger (unregulated by the computer's charging
circuit) apparently fixed everything. Everything popped back together
in a few minutes and it booted and has been up and running normally now
for several weeks. Battery is now about 3 years old.
Chuck Norcutt
On 8/6/2015 2:41 PM, Ken Norton wrote:
Oops. Let's try this again...
I changed two cellphone batteries in the past three months. Took
longer to remove the phone from the Otter Box than all the rest of the
process combined.
But I choose to stay on the wrong side of the railroad tracks. We use
Android phones.
In both cases, we repurposed the phones to new users and the new
batteries were just part of our own refurb process.
AG
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