the board is not alway can connect to my Andriod 4.4 Smartphone

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fight_bt
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the board is not alway can connect to my Andriod 4.4 Smartphone

now,i have a new PCBA i designed last week.the board boots from the extenel SPI FLASH,i burnned the flash with the hex of DSPS.but when i use a app named Master Control Panel from Nordic Semiconductor try to connect the board,sometimes it can connect to MCP successfully,sometimes shows"disconnected",50% are failed.
could you tell me ,what are the real cause?can you give me some regestions?thx in advance.

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fight_bt
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Last seen: 8 months 4 weeks ago
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hi,joaquin:

hi,joaquin:
the test result is the same.it can not connect to DSPS every time.maybe 20% were faild.The DSPS always show the alert"device:80:EA:CA:00:00:01 is disconnected!"what is the probelm?tks

fight_bt
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can someone help me?

can someone help me?

JE_Dialog
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Joined: 2013-12-05 14:02
Hello fight_bt, I will

Hello fight_bt, I will arrange for someone from our local team or distributor to give you a call to walk through this and the other post you hve made below.

http://support.dialog-semiconductor.com/why-are-contents-read-back-eeprom-defferent

BR JE_Dialog