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A personal unblocking key (PUK), sometimes called personal unblocking code (PUC), is used in SIM cards to reset a personal identification number (PIN) that has been lost or forgotten.
Most mobile phones offer the feature of PIN protection. After switching on the phone, if the PIN security function is active, the user is required to enter a 4-8 digit PIN to unlock the SIM card and connect to the mobile network. Without this, functions such as phone calls (except for emergency calls), text messages and mobile data will not be available. If the wrong PIN is entered more than three times, the SIM card will become locked. It can by unlocked by entering the PUK code provided by the mobile service provider, which may be available on the SIM card's packaging, the contract, or provided by customer service after identity verification. After the PUK code is entered, the PIN must be reset. If the wrong PUK is entered ten times in a row, the SIM card will become permanently blocked and unrecoverable, requiring a replacement. Mobile phone users are therefore advised by most providers to keep their PUK written down in a safe place separate from the device.

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Recent contents
  1. M

    Closed Pano ba mag unlock ng na red mode sa smart?

    Pano ba mag unlock ng Na red mode sa Smart?
  2. S

    Closed How to unblock smart internet?

    Any links?
  3. P

    Closed Help to unblock

    mga bossing na block po yung smart jump in ko , sinubukan ko yung tricks dito para ma unblock pero not working, help naman po ty
  4. H

    Closed How to unblock fb and YøùTùbé on pc

    Paturo naman guys! pano iunblock sa website yung fb at YøùTùbé
  5. H

    Closed Help ! how to unblock fb and YøùTùbé on pc

    paturo naman po please
  6. I

    Closed Unblock/di na kailangan mag roaming for sun

    Try niyo and feedback po kayo :)
  7. X

    Closed Paano mag unblocked ng website ng pc sa office!

    mga bossing pa help naman ohh may mga site kasi na naka blocked sa pc ko sa office yung link nya pag nag search ako sa kahit saang browser is file:///C:/ProgramData/pbtmp245.html tapos lalabas sa browser na this website is Blocked! PFsense community edition gamit ng IT namin sa pag blocked ng...
  8. E

    Closed Kickstart

    pano po mag unblock ng smart kickstart..
  9. C

    Closed How to unblock your smart prepaid sim.

    When you get disconnected while browsing and using SMART sim card on your broadband internet connection, check your Network Status under your dashboard’s Tools > Diagnostics option. If you can see the value under the PS Network , denied and unattached, it is clear that your SIM card is blocked...
  10. B

    Closed Unblock sim from 4438

    Pano po ba mag unblock ng sim para sa 4438. Nakakapagload, text, call at surf naman ako kaso hindi ko na nagagamit features ng 4438. sana matulongan nyo po ako.
  11. K

    Closed Tnt

    Mga sir pano po iunblock yung tnt sim ko? Lumampas po ata ako sa 2gb na limit :/ any suggestions po?salamat
  12. K

    Closed Unblock lte kickstart

    3g connected pero wlang lte/4g ano gawin para ma unblock ang lte/4g? salamat sasagot
  13. P

    Closed Info pls. blocked sim

    Im newbie po for using free net, ask ko po ano po ba ang sign or how can u tell if blocked n po ung sim na gmit ..based on ur experienced po then, how to unblock po if ever n block.. Then , is there a method po na m prevent ung unblocking of sim? sa mga expert and my experienced po dyan pasagot...
  14. T

    Closed How to unblock your sim

    Para po sa mga na blocked na sim card na hindi maconnect / makareceive ng data. Globe/TM Smart/TnT/Sun. 100% Working! 1. Paload ka. then, register ka sa any internet promo. Oo, hindi mo magagamit yang promo mo kasi blocked nga yang sim mo. 2. tawag ka sa customer's service hotline. Dial...
  15. C

    Closed Imei issue: emergency calls only

    Patulong nga po sa mga technicians out there... Yung phone ko kasi ay nasira na ata. Biglang hindi makasagap ng signal. May signal naman sa signal bar pero ang nakalagay ay "emergency calls only". Kahit anong sim ang ilagay ko ay ganun pa din. Na-factory reset ko na at nag-install na ako ng...
  16. B

    Closed Unblock the proxy sites.

  17. S

    Closed [july] smart/tnt unblocking tricks & tips

    GOOD DAY! First of all, gusto ko muna pasalamat sa orginal poster nito from Sym (dun kasi ako galing) si boss potpotkawaii, boss pag andito ka din, ing share ko na po dito :D para makatulong din sa mga andito. Kung repost na po ito, sorry po, reply nalang po kayo sa baba na repost na ito para...
  18. A

    Closed Na dc bigla

    Peeps, Pag nawala ba yung data pagkatapos di na ma on yung data blocked na yung sim? Nakakareceive pa naman ng message. Thanks sa sasagot!
  19. T

    Closed HOW TO UNBLOCK SMART BRO LTE (PINK SIM)

    Good Day mga ka ph, ask ko lang po sana kung pano ba unblock ang Smart Bro LTE Pink Sim bukod po pag tawag sa Smart. Ang tagal po kasi nila mag process. Nag pa reg po kasi ako sa unlisurf for two days and on the second day na block na po cya red ring parin until now di na maka connect. Maraming...
  20. P

    Closed Unblock Smart Jump in New Method

    Andito na naman po ako. Magsheshare ng pang unblock ko sa mga jump in sim ko pag nadadale ni Smart. Pakisundan na lang po yung steps. :) 1. Roam on to 333 2x 2. Roam off to 333 2x 3. Protect on to 9999 1x 4. Powerapp off to 5555 2x 5. MMS on to 333 3x Hintayin po ang reply sa kada text bago...
  21. Z

    Closed Help unblocking bro

    2 sims na po ng bro ang nabloblock sa akin. Yung una nkareg ng 2 weeks usurf and yung 2nd 2 days. Last week sunday po nblock yung una. Hanggang ngayon di na bumalik ang connection. Yung 2nd naman kahapon nakareg then block n ngayon. Yung 1st sim nareport ko naman agad sa csr pero di nila naayos...
  22. D

    Closed Ano effective na pang unblock

    Mga master ano effective na pang unblock ngayun sa smart prepaid Na block sim ko using BB heavy downloader kasi eh Help naman
  23. I

    Closed Ano pang unblock nyo?

    Mga ka PHC ano gamit nyo pang unblock ngayun ng sim? Di na kasi working yung roam on/off... Tapos yung webtrick hindi na din nagana laging service unavailable...
  24. W

    Closed Tnt Webtrick Problem

    Pa Help naman mga master., Ayaw kasi ma register ng New Tnt Sim ko sa Site ng smart... Invalid acc. Number nalabas., pero tama nman input ko...sinubukan ko pa na walang zero(0) pati (63) ayaw padin 0950 Yung Prefix nya new sim. Pano kaya yun.. Blocked kasi sim ko. Gusto ko sana i unblocked
  25. K

    Closed WebTrick

    Guys sino patulong naman sa webtrick, diko maunblock yung tnt ko kahit sinunod ko naman yung instructions, sa mga nakapagpagana na ng webtrick patulong naman po please.
  26. K

    Closed Block Sim Survey

    Guys ano po ang klaseng smart sim ang medyo mahirap mablock, or di mabloblock?? Jump in? Smartbro LTE? kickstart? Or regular sim? Base on your own exp. Ok na din isama ang tnt =)
  27. I

    Closed unblock?

    ano working na pangunblock ngayun sa tnt?
  28. P

    Closed Unblock

    Update ko lang sa mga hindi pa nakakaalam. Working na ulit webtrick sa pag unblock ng Smart at TNT sim. :)
  29. J

    Closed PA HELP (smart)

    Paano ko ba unblock yung sim ko ganito kasi yan gumagamit ako ng psiphon advance tapos may promo ako BIG15 30mb na consume ko lahat ng mb .. tapos yun na block sim ko kasi 4GB na consume ko ehh :( in 2 days .. may paraan buh kung pano ulit e unblock yung data connection ko ? TIA sa pumansin :)
  30. S

    Closed unblock tnt sim

    Hi.pahelp po mga ka ph.nablock po kc internet ko dahil sa lumagpas sa limit dahil kay sipon.ano po gagawin ko?thanks.
  31. M

    Closed How to unblock TNT po

    pa help naman po, wala na pong Mobile data na lumalabas
  32. D

    Closed TNT SIM Unblocking

    patulong naman po. pano po mag unblock ng sim sa TalknText?
  33. J

    Closed Smart Unblocking

    share ko lang po itong procedure ko ng pang unblock sa smart sim... requirements: android phone (dual sim) dapat nakakasend pa ung smart sim na nablock 1. clear cache sa default browser. 2. restart phone. 3. punta po sa preferred network ni smart. click nyo ung nag iisa dun. then edit. dapat...
  34. X

    Closed Ang pagbabalik ni Roam On/Off

    Mga ka PhC, working na ulit si Roam On/Off pang unblock ng sim. Alam nyo na yun pano gawin pero after mag reg. turn off nyo cp nyo, hintay mga ilang minuto, tapos on ulit. Na unblock ko 3 sims ko... As requested, ito yung procedure: 1. Load 100 (don't worry di mababawasan yung 100 na load) 2...
  35. K

    Closed Unblock Sim

    Hello po, Ask ko po sana kung meron po bang way to unblock a tnt & smart sim? and kung meron bang way para magkaroon ng Anti Block protection sa sim??
  36. R

    Closed TUTORIAL: Unblocking smart jump in sim!

    1. Send GPRS ON to 211. 2. Send Roam off to 333. 3. Send GPRS On to 211 three times. Send MMS On to 211 three times also. Send 3G On to 211 three times also. 4. Turn off your mobile phone for about 30 seconds and turn it on again. 5. After turning on, browse any site, Your Unblock! Tried and...
  37. P

    Closed HOW TO UNBLOCK YOUR SMART/TNT SIM

    Para lang ito sa mga tamad magbasa sa comments at tanong nang tanong kung pano mag unblock. Nakuha ko lang din 'to kung saan so credit sa nakadiscover. Steps: 1. Load 100PHP 2. Text ROAM ON to 333. Wait for reply. After 1 min, 3. Text ROAM OFF to 333. Wait for reply. 4. Patayin ang phone/modem...
  38. K

    Closed Unblock your sims - 1 peso load required :)

    -Updated- July 28, 2017 Almost 1 year na din itong tutorial ko. Take note: Basic Unblocking lang ito. Kumbaga pag nablock sim, try mo muna ito. Pag block pa rin, itawag mo na sa CSR. Pero kung unblock ka na, congrats! Credits sa CSR. --- Steps to unblock your smart and text sims. 1. Go to...
  39. J

    Closed Patulong po Ma unblock yung sim ko??

    Guys pa help naman po nag roam on and off po ako sa smart prepaid para ma unblock yung sim ko di parin po ako maka data may load naman po akong 100 petot???
  40. M

    Closed PREVENT SIM FROM BLOCKING

    Yes marami tayong tricks how to have cheap & free internet pero once na napasarap na sa pag browse and Download hindi maiiwasang ma block, minsan wala pang half day blocked na agad. is there a way para ma prevent yung SIM from being block kahit heavy downloading. TY.
  41. X

    Closed Patulong po pang Unblock Smart Sim

    Happy new year sa lahat! Ano po effective ways pang unblock ng smart sim ngayun maliban sa tumawag sa service center? Thanks in advance! Di na kasi gumagana webtrick at roam on/off
  42. M

    Closed Data is back!

    Bumalik na data ko. Ito lang ginawa ko: 1. restart phone 2. Airplane mode for 5mins. 3. After 5mins off airplane mode 4. On ang mobile data Clear ko lang, bumalik na ang h+ ko pero nawala na surfmax ko Feedback if working
  43. E

    Closed Unblock your TNT using ROAM ON

    ------------------ NOT WORKING ANYMORE ------------------ - - - TRIED AND TESTED ko na sa wakas (nakahanap din ng paraan na makapagLOAD), working po xa at 100% di na nabawasan load ko. Tuloy ang Ligaya. Olrayt.. Maligayang Pasko ka PHC!!! Requirements: 100 pesos load and read all contents of...
  44. K

    Closed PAYMAYA block sim unblock na

    sino sa inyo ang na block ni PAYMAYA kumusta na unblock naba sa akin kasi may data na maka send na din ako at completo pa ang load haha nice smart na ayus na ata nila
  45. E

    Closed HELP: UNBLOCK TNT SIM

    Pede po patulong iunblock TNT sim ko po. Twice na po sya nablock.. first, naunblock ko using SAMPLE pero ngayon pangalawang block na nya.. ayaw na gumana ng ket ano
  46. S

    Closed Blocked Sim

    Pano malalaman if blocked yung Sim other than titingnan mo pag di talaga nagbrowbrowse, kasi 2 sim ko di nakakabukas free fb kahit yung isa di ko naman ginagamit pang bug. If blocked pano po mag unblock :)
  47. J

    Closed SMART/TNT >> Unblock Trick

    Na test ko na po eto kani kanina lang, sariwang sariwa pa. Special Thanks to: demonic098 - TNT (No data connection) underzero123 - SMART Jump in (Blocked) SIM na gamit ko TNT - Champion Sim SMART - Student Jump In Medyo minodify ko lang post nila :) STEPS: SMART Jump sim unblock Trick 1.)...
  48. H

    Closed LTE Pink Sim[Multicut] Data UnBlock!

    Did you know that this SIM offers LTE data connection without load? Can connect to VPN with wooping LTE SIGNAL(Free of CHARGE)! Habang enjoy na enjoy ka, days weeks months ang nakalipas suddenly...... ohh myyyyyyy suddenly nawala yong data mo..... tulad ng pag iwan nya sayo... Solution 1...
  49. C

    Closed how to unblock smart jump.in sim

    mga master patulong panu mag unblock ng smart jump.in sim, ayaw na kasi gumana ng webtrick.
  50. G

    Closed Tutorial to unblock simcard

    Nakita ko lang ito sa Facebook. Sana makatulong sa inyo. Hindi ito pwde sa smartbro at kickstart na sim. Credit to Sir Justinjay Today I will teach you How to unblock simcards effectively. Ano ba ang mga blocked simcards? Eto yung mga sim na di lumalabas data connection, di makasend ng...
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