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Old 04-08-2014, 12:56 AM   #1 (permalink)
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Default Blackberry z10 10.2.1.2102 battery issues

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My z10' battery is horrible after the update... anyone experiencing this??? need help here please.... i updated my device (z10) 2 days ago to 10.2.1.2102 and my battery drains fast... after the update i charged it to 95% it was 9am, left my phone in my room then i came back 1pm checked the phone, and the battery life was only 54%. wifi,nfc,bluetooth etc were turned off, no running apps either...
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Old 04-08-2014, 08:52 PM   #2 (permalink)
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Default Re: Blackberry z10 10.2.1.2102 battery issues

the other issue is when the radio is searching fro a cell site. Check to see if you have good coverage. Also if the LI battery on any cell phone is allwed to discharge below 25% they generally do not fully recover even though they show 100% charged.



Maybe someone else can offer more info on the update.
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Last edited by tsac : 04-08-2014 at 08:56 PM.
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Old 04-09-2014, 10:50 AM   #3 (permalink)
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Default Re: Blackberry z10 10.2.1.2102 battery issues

read on for more info
Lithium battery myths dispelled - BlackBerry Support Community Forums
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Old 04-13-2014, 06:01 PM   #4 (permalink)
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Default Re: Blackberry z10 10.2.1.2102 battery issues

Hate to disagree but the link you included offered this which is what most have reported in some form or another.

Over-discharging Lithium-ion

Li-ion should never be discharged too low, and there are several safeguards to prevent this from happening. The equipment cuts off when the battery discharges to about 3.0V/cell, stopping the current flow. If the discharge continues to about 2.70V/cell or lower, the battery’s protection circuit puts the battery into a sleep mode. This renders the pack unserviceable and a recharge with most chargers is not possible. To prevent a battery from falling asleep, apply a partial charge before a long storage period.

Battery manufacturers ship batteries with a 40 percent charge. The low charge state reduces aging-related stress while allowing some self-discharge during storage. To minimize the current flow for the protection circuit before the battery is sold, advanced Li-ion packs feature a sleep mode that disables the protection circuit until activated by a brief charge or discharge. Once engaged, the battery remains operational and the on state can no longer be switched back to the standby mode.

Do not recharge lithium-ion if a cell has stayed at or below 1.5V for more than a week. Copper shunts may have formed inside the cells that can lead to a partial or total electrical short. If recharged, the cells might become unstable, causing excessive heat or showing other anomalies. Li-ion packs that have been under stress are more sensitive to mechanical abuse, such as vibration, dropping and exposure to heat.
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