Question about Samsung SYNC SGH-A707 Cellular Phone

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Hi sir!! do you have an schematic for this phone sir? can you please send me!! a707 it displays insert usim!! i think some lines are broken!!!

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Gsmserver.com is another place to try

Posted on Jul 07, 2008

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Always shows INSERT USIM, when SIM is already inserted on my phone LG KC 910, so I can't make and send call.


If your phone displays the 'INSERT USIM' then your phone is currently locked to particular network. You need to unlock to use it with other network.
There can be many ways to Unlock your phone. As far as i know unlocking by codes is the simple and safe way. I will suggest the website Unlock-zone.com which is doing good service and they were recommended highly in the cell phone forums.
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My lg kp500 keep asking for active usim how can i fix this


Did you insert any usim into it? If you did, maybe it did not sit well, all you need do is to shock the usim with paper or anything that will make it hiold firm to the phone.

And if youn did not insert any sim I think you need to do so, to keep your phone going.

I wish you the best.

Nov 16, 2009 | Cell Phones

3 Answers

Insert USIM


If you haven't already done so, try this: take out the SIM card, wipe it down with a dry, soft cloth, and reinstall it WHEN the phone asks for it.

Jun 21, 2009 | LG Secret ? KF750 Cellular Phone

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Samsung SGH-a707 solid red screen and says download! PLEASE HELP!


Sir you probably have droped your phone in water...........thats the reason it displays DOWNLOAD on front display..........takeout the battery leave your phone in free air for a day or two to (Remember you dont have put the cover back)...........after two days put the batter back in phone your phone should work well now.........if problem still exists change the battery........

Mar 30, 2009 | Samsung SYNC SGH-A707 Cellular Phone

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I need unlocking lg u890


i had a lg u890 mobile phone that i got unlocked but it had the same proble where i swithched on my phone it used to ask for the usim code..my old phone was locked to the 3 nt/wrk i got it unlocked so i could use my 3 nt/wrk sim card or any network simcard but i used vodafone 3g sim card.the code i used with my vodafone 3g network simcard in phone when switched phone on & it asked for usim sim code i inserted code i got & it shut the phone down then on again then it wld work with vodafone no bother at all it even came up with vodafone uk etc.but i had to reconfigure the sms/text telephone number aswell as reconfigure the mms settings & numbers etc aswell as reconfigure wap settings from 3g network to vodaphones.but after i got it all unlocked & settings changed etc & inserted a different 3g network simcard ie vodaphone/orange/o2/3g sim/t-mobile/tesco sim/virgin sims & switched phone on it asked for usim code i tryed the code i have & inserted the same code i have it/they switched phone off & then back on & all network usim card worked with no problems at all.the code i have is.>>> 142358#*# thats 142358# * # all 1 item/action.once you insert that 142358#*# thats it your phone will shut down then restart up & go onto the network usim card you want to use or inserted before using code.but 1 thing tho please remember if u switch off your phone or your phone switches off as batterys run out no power u will need to insert the code again.& another thing code wont work if your phone switches off or you switch it off & plug your mobile battery charger into phone to charge your battery up on the phone & you switch you phone back on when you are charging your phone as the phone will switch on & say insert usim code if you enter the code the phone will switch off & back on again but it will still request usim code.so you will have to wait unto there is plenty of charge in the battery to take phone off charge & swithch your phone on get the usim code message insert code above phone will switch off & straight back on again & then it will go onto your prefured usim card then you can plug your charger into phone again to charge phone up.you can use your phone on charger when u have entered usim code & it switched off & on again & registered with the prefered network.i hope this is of use to you as it is to me.if you try this code & either if it works or not please can you let me knows ty.email watsonwhizzy2001@yahoo.com

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Inser sim card


pull out battery,there is a little sim card it pulls out with your fingernail try pulling and reinserting it

Jul 07, 2008 | Samsung SYNC SGH-A707 Cellular Phone

1 Answer

Invalid usim


It sounds as though the phone is locked. When I had this happen to my Samsung A707, I had to send it back to Samsung to get it reprogrammed. (There are people who have bought the necessary hardware to interface with a mobile phone's OS, but I preferred Samsung themselves.) This was a free service (except for shipping) from Samsung. If you contact Motorola, they might be able to simply reprogram the phone for you.

Jun 01, 2008 | LG KU990 Viewty

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Country code and usim unlocking code


Dear sir,

My freind live in Germany & he send me mobile phone w200i. bt nw i m unable to use this cell phone in my country in india so dear boss plz help me. i want country code & usim unlocking code . i want to use ur product plz help me my cell no. +919988673024

dear sir plz help me harpreet singh

Dec 13, 2007 | Nokia 1600 Cellular Phone

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