Question about HP iPAQ H5555 Pocket PC

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Data missing - Ipaq model HP5555 - did not do hard reset

Removed Ipaq from charge stand last night almost fully charged, backup battery at 100%, put in Ipaq carry case. Took out of case this morning. Orange light next to on/off switch displayed steady orange and all memory missing. Plugged into charge stand but had to do soft reset to restart. Unknown if backup battery was dead or not. How can data be retrieved? If not easily, recommend data recovery service we can have recover data. Data not fully backed up elsewhere.

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Hello,

I'm sorry but the HP Ipaq 55xx series store data on a volatile ram based memory. Unlike a nand flash (like usb sticks, memory cards etc) this memory will hold data only as long as it's powered on. If your main battery gets empty you should still be able to retain your files for some 10-20hrs with the backup battery (if it's ok itself and not depleted). After this time the power to the ram memory is cut off and all data is lost.
The problem you face is somewhat related to that backup battery, as it appears it's unable to do it's job and maintain the power to the ram memory at least some 10 hrs. You should have that battery replaced.

There is no way to recover the data from the ram memory as it is stored as an electric charge over some memory cells in the ram chips. When there is no power, these charges dissipate and the pattern is lost.

I'm sorry for having to give the bad news.
Bogdan

Posted on Jul 04, 2009

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Posted on Jan 02, 2017

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How to nulock sony xperia s lt26i


solution 1, Hard Reset SONY XPERIA S LT26i with Software Menu :
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  2. Turn on SONY XPERIA S smartphone
  3. Don't forget to backup all important data
  4. Go to menu: Setting > Backup & Reset > Factory Data Reset > Reset Phone
  5. Choose Erase everything to continue and confirm you ready to do the format SONY XPERIA S
  6. The SONY XPERIA S will continue the step until ready to use in clean factory default.
solution 2, Hard Reset SONY XPERIA S LT26i with Flashtool applications:
  1. Flashtool in the applications from Sony can be download from Sony website.
  2. Flashtool software need to installed in you computer and ready with USB data cable
  3. Make sure SONY XPERIA S battery is charge properly or full charge
  4. Power off SONY XPERIA S
  5. Boot SONY XPERIA S to flashmode with using: Volume Down Button and connect to USB cable at No.1 above
  6. Follow the menu at you computer display, it is easy to understand the steps.
solution 3, Hard Reset SONY XPERIA S LT26i with Hardware Key Button:
  1. Make sure the battery fully charge
  2. Do not forget to backup all important data
  3. Turn off the SONY XPERIA S
  4. Press and Hold together: Power Button + Volume Up Button for several seconds
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Dec 19, 2013 | Sony Ericsson XPERIA S LT26I Nozomi Arc HD

1 Answer

My Ipaq rx3715 won't charge. "AC only"


its obsolete now, why use this thing?
wait for battery? then post?
or go to HP and ask them,
we are not HP, this is chat bs boxes here.

ever heard of HP? this is the official HP forum, try it?

If HP cant help you who can,
learn this ,when compelled to mess with obsolete products
buy 2 of them for like $3 on fleabay (most are in the trash now)
then mix and match parts, all day.
its obsolete, so doing tests on it lacking full spares is impossible.
why not buy a $3 used smart phone from same place,


https://h30434.www3.hp.com/

Aug 04, 2017 | HP iPAQ RX3715 Pocket PC

2 Answers

Ipaq 1940 losing programmes during main battery changeover


  1. Plug the charger adapter into the charging port on the bottom of the HP iPAQ Pocket PC.
    Figure : Charging the battery
  2. When the power indicator on the top of the HP iPAQ Pocket PC turns solid amber, the unit is fully charged and can be disconnected from the AC adapter (approximate time to fully charge a unit is four hours).
NOTE: The amber charge light blinks while the battery is recharging and turns solid (nonblinking) when the battery is fully charged.In the event of a low backup battery warning, charge the unit immediately before removing the main battery to avoid data loss. To view the amount of charge left in the backup battery, tap Start, Settings, the System tab, and Power.
Charging with the universal desktop cradle and AC adapter Use the universal desktop cradle to charge the HP iPAQ Pocket PC, or synchronize the HP iPAQ Pocket PC with a computer.
Follow these steps to charge the HP iPAQ Pocket PC using the universal desktop cradle:
  1. Plug the AC adapter into an electrical outlet and connect the other end of the AC adapter to the AC connector on the universal desktop cradle.
  2. Connect the serial or USB cradle cable into the appropriate port on the desktop PC.Figure : Connecting with the cradle
  3. Slide the bottom of the HP iPAQ Pocket PC into the cradle and push firmly to seat it.
CAUTION: To avoid damaging the HP iPAQ Pocket PC or the cradle, make sure the pins are aligned before pushing the HP Pocket PC into the cradle.
    Figure : Charging with the universal desktop cradle
  1. AC adapter into electrical outlet
  2. AC adapter into universal desktop cradle
  3. HP iPAQ Pocket PC into cradle
NOTE: The amber charge light blinks while the battery is recharging and turns solid (nonblinking) when the battery is fully charged.There are stabilizers located in the universal desktop cradle that assist in aligning the unit when there is no expansion pack attached. When placing the HP iPAQ Pocket PC with an expansion pack attached into the universal desktop cradle, the stabilizers will be pushed down by the expansion pack. To release the stabilizers for use without an expansion pack, press the button on the back of the cradle.
Charging with the optional USB Autosync cable Charge the HP iPAQ Pocket PC using the optional USB Autosync cable by connecting the Autosync cable to the HP Pocket PC and the personal computer. The HP Pocket PC will be charged using power from the personal computer.
For more information on charging the HP Pocket PC using the optional USB autosync cable, from the Today screen, tap Start, Settings, the Systemtab, Power, the USB Charging tab, Settings, and Help.
Charging a low battery The HP iPAQ Pocket PC will not turn on if the battery has a low charge (less than 3.2 Volts). Fully charge the battery prior to using the HP Pocket PC.
If the charge on the battery goes below the 3.2 Volts as a result of not being connected to the universal desktop cradle or the AC adapter, no damage will occur to the battery. However, the HP iPAQ Pocket PC charge indicator light will not flash until the battery reaches the minimum charge of 3.2 Volts and a normal reset is performed.
Follow these steps to charge and reset the HP iPAQ Pocket PC:
  1. Connect the HP iPAQ Pocket PC to an A/C power supply.
  2. Charge the battery to the minimum level of 3.2 Volts (this will take 5 to 30 minutes depending on the current charge level).
  3. Perform a normal reset by using the stylus to lightly press the Reset button on the bottom of the HP iPAQ Pocket PC.
  4. Turn on the HP iPAQ Pocket PC.
Keep the HP iPAQ Pocket PC connected to the universal desktop cradle or AC adapter when it is not in use.

Aug 25, 2017 | HP iPAQ H1945 Pocket PC

1 Answer

IPaq rx3115 working like PC not Pocket PC, need to plugin always


You need to purchase a new removable battery for your RX
The removable batts usually only last about a year (like cell phone batteries).
Although it is showing 100% charge, the battery is not storing enough power to run the ipaq

The rx series uses 2 batteries, one is the removable one u can see/access when u remove the back cover. The other batt is a small round batt which stores the basic info for your system (so you don't lose your data when u swap out the removable battery).

This small (backup) batt is similar to the cmos battery on a laptop or pc.
You cannot easily replace this, as the unit needs to be disassembled to access this batt.
If you are tech-y (and brave), the replacement button batteries are sold on ebay for $9-12

Normally, if your removable batt is bad, you could still use your unit plugged in, and could
remove from AC power without losing data. Not the case if your replaceable batt is exhausted.
When both batteries are bad, you lose everything when u remove unit from AC power.

My workaround without having to disassemble unit:
Purchase and fully charge new removable batt (They have huge capacity ones available for like $15 - better than the original !).
Load up all your programs & settings the way you like.
Perform full backup to SD card (& also on PC via active sync - to be safe)
Now the only time you should lose your data (like hard reset) is if you allow the battery
to completely drain, in which case you can restore your backup.
If you purchase 2 removable batts, you can easily swapout without losing data if you
use the usb charge cable & leave ipaq plugged in while you change battery

Hope this helps






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1 Answer

HP-iPaq 2215 battery replacement


Hi, Jim--
When you take the battery out of an IPAQ you're performing a hard reset. I've got 4 different IPAQs and it does the same thing on all of them.
My solution was to back the IPAQ up using the internal backup program (back up to IPAQ storage) and then replace the battery, then restore the last backup.
Saved me a heck of a lot of time. It's been hard to remember to back up everytime I add a program or change data majorly, but it's probably the best thing to do.

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1 Answer

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It cannot switched the batteries. The backup one is a small internal battery just to keep the CMOS with data. That's it.

If you main battery is not charging or when unplugged won't power on, the is likely the main battery is defective, or the charging circuitry of it is failing.

Best regards,

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 recharge the battery by connecting the HP iPAQ to AC power using the cradle or the AC adapter or insert a fully charged battery into the HP iPAQ.

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If you are not using the original chargers it could be the type of charging cable. Not all cables that fit will charge the device correctly.

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