Time lost when phone Off - RTC battery replacment

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Motorola Atrix 4G

The Motorola Atrix 4G is dual-core Android-powered phone by Motorola. Model Number: MB860.

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Foo Bar @foobar40839

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投稿日: 2013年7月21日

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Time lost when phone Off - RTC battery replacment

When I power off my ATRIX for 1 or 2 day(s), the phone loose its time, it start at 1:00 (wrong date also).

Motorola support told me the RTC battery is a rechargeable battery, not a simple battery.

They won't guarantee, as its unlocked, despite Europan directive 1999/44/EC (shame on them)

Does any one had this problem, dead RTC battery ?

Looking at the teardown pictures, I've seen something looks like there is a battery between the Compass and vibrator. Can someone cofirm the the RTC battery is located here ?

Does anybody know the kind of battery is used ? Type rechargeable or not, reference ? Is that battery easily replaceable, as it look sealed to the phone.

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Your question seems similar to mine. See my notes here: Wifi and BlueTooth Errors / how replace CMOS battery on Motherboard?

Some of the my research links might give you tips on the battery type. I wish the battery would just pop out for replacement.

Mark Freeman さんによる2013年7月27日

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oldturkey03 @oldturkey03

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投稿日: 2013年7月21日

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Here it is ;-)

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Yeh that where I guessed the battery was located; but you're right, a picture is better than a long description ;-)

Do you have more information on that button cell ? Rechargeable or not ? Do you have a Ref of that cell ?

Is it easy to replace i.e. to removed (welded) ?

Foo Bar さんによる2013年7月22日

Yes it is soldered and a bit of a pain. Still trying to find the proper part number

oldturkey03 さんによる2013年7月22日

This message states the battery Ref is ML414RU (from FDK or SANYO) 3V lithium rechargable battery.

The speciffication can be found here.

The problem will be to find a reseller, especially in France :-/

Foo Bar さんによる2013年7月29日

Have you tried to contact the sales office for FDK yet? Also just found these on eBay http://www.ebay.com/itm/LOT-OF-5-NEW-ML4...

oldturkey03 さんによる2013年7月29日

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Your question seems similar to mine. See my notes here: Wifi and BlueTooth Errors / how replace CMOS battery on Motherboard?

Some of the my research links might give you tips on the battery type. I wish the battery would just pop out for replacement. — Mark Freeman
Yeh that where I guessed the battery was located; but you're right, a picture is better than a long description ;-)

Do you have more information on that button cell ? Rechargeable or not ? Do you have a Ref of that cell ?

Is it easy to replace i.e. to removed (welded) ? — Foo Bar
Yes it is soldered and a bit of a pain. Still trying to find the proper part number — oldturkey03
This message states the battery Ref is ML414RU (from FDK or SANYO) 3V lithium rechargable battery.

The speciffication can be found here.

The problem will be to find a reseller, especially in France :-/ — Foo Bar
Have you tried to contact the sales office for FDK yet? Also just found these on eBay http://www.ebay.com/itm/LOT-OF-5-NEW-ML4... — oldturkey03

Motorola Atrix 4G

Time lost when phone Off - RTC battery replacment

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