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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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  1. P

    Closed May pag asa pa ba kaya?

    Magandang hapon mga ka phc. Mgtatanong po ako sa inyo if may solution pa sa na blocked na iPhone. Sa us po kasi .ibibigay lang saken try ko daw ipa unblock .salamat po in advance!
  2. Z

    Closed Paano unblock smartbro sim

    guys patulong po mag 2days na kasing block si smartbro ko patulong paano i unblock.salamat
  3. D

    Closed Help

    Pengeng malupit na tips para po di ma block without using any apn(auto apn kasi modem ko). Balak ko kasi mag dl ng dota2 halos 8.7 gb eh. Pang limang sim ko na to :):)
  4. R

    Closed Mahirap na mag unblock

    Kanina lang paggising ko wala nakong Mobile Data and i guess na block ito. Pero nangyari lang to paggising ko and wala pa akong ginagawa so tumawag ako sa smart. And hindi na sya katulad dati na gagawa agad sila ng report, May hinihingi pa sila na Written Concern at mga Valid ID's hahaha Kaya...
  5. R

    Closed Hindi na basta2x na a unblock si smart

    Share ko lang experience ko kanina. Tumawag ako sa Customer service at ginawa ko ung usual na steps para maunblock smart LTE ko. Ang nangyare chineck ng Service ang sim ko, alam na nila kapag ginagamit ko ang sim ko para maka free internet. Tapos sinabihan ako ng CS na hindi na pwedeng ibalik...
  6. J

    Closed Smart unblocking

    Napansin ko lang kahapon kasi nag streaming ako gaamit viber payload wala pang 30 minutes na block a gad ung sim ko. So ung usual tatawag sa csr tinanong ako kung anong oras nawala, model ng phon tsaka ung location. So ayun ginawan nila ng report sa technica team nila. Akala ko okay na kaso...
  7. P

    Closed Pasok dito mga nablock ang data sa smart

    Na encounter nyo na ba yung bagong policy ng Smart? Pag nablock yung data, kahit itawag sa *888 hindi nila iuunblock hangga't di ka nagpapasa ng valid ID at complaint letter sa FB page nila. Tapos pag nagsend ka naman hindi naman nila siniseen. Bottomline, ingatan nyong mabuti na wag kayong...
  8. T

    Closed How to unblock sim (100% sureway!!)

    So ayun na nga block na naman ulit sim ko. Well buti di pa naman ako nadedetect na paulit ulit akong tumatawag. Ngayon ko lang naisipang irecord to. Ito na para sa mga hindi marunong magpalusot sa csr .. Eto lang palagi kong lyrics pag tumatawag ako sa kanila. Pakinggan nyo nalang .. Pasensya na...
  9. R

    Closed Smart unblock

    So ayun po ano buti nalang di pako bumibili ng new SIM hahaha, Tumawag lang ako sa Customer Service ng mga hapon. kinaumagahan may data na ulet haha. na enjoy kase ako pag stream ng 1080p sa YøùTùbé. Yun lang share ko lang. libre naman tumawag sa Customer Service e haha
  10. P

    Closed Talino: unblocking

    Ano po dapat sabihin kay 888 para ma-unblock na si data? Hehehe Salamat po sa sasagot!
  11. K

    Closed Guys paano po mag unblock

    Guys patulong na block yung sim ko .....eh nagamit ko lang na mb sa isang araw 500mb lang tapos na block na ....choose promo ginamit ko tapos di na nag bubukas yung data .... TNT LTE gamit ko .... pahelp guys kung paano ma unblock....
  12. E

    Closed Smart data blocking

    Guys anong pwedeng trick ang pwedeng gawin para maiwasan ang data blocking sa smart lte sim aside from buying a new sim, consume 2gb data a day.. May APN trick ba dto? Kahit ung 5-10 gb a day? Salamat mga boss. #respect
  13. J

    Closed Sino na nakapag unblock ng tnt sim sa store or smart fb

    Nakakailang sim na ko ng TNT im using VPN. Sa una iuunblock nila yung sim mo then sa pangalawa need mo na ng COMPLAINT LETTER with your VALID ID's. Tanong ko lang if meron ng nakapag paunblock ng sim through SMART STORE or SMART FB. Para kasing nakakatkot pag nadetect ulit yung sim mo na...
  14. K

    Closed How to unblock data.. sulit to mga pre.. sa smart galing.. tested ko

    Having trouble using your mobile data? To ensure that data connectivity is working at its best, try these steps. STEP 1: If you have low signal, try moving to a more open location w/ less surrounding obstacles such as concrete walls. STEP 2: Make sure your phone is internet-capable & that your...
  15. D

    Closed Unblock tp10 + t2

    Mga paps ilang days bago maunblock ang promo na TP10 + T2?
  16. R

    Closed Unblock tnt sim

    1 . Restore Apn or reset to default 2. need 100 load regular 3. txt mo ito Roam ON send 333 (my confirmation kang matatanggap na ativate na) 4. restart mo cp mo 5. txt mo ito ROAM OFF send 333 6. Restart mo cp mo uli 7. punta ka sa APN piliin mo ung Smart internet apn .. 8. Restart mo cp...
  17. P

    Closed Tips on unblocking your smartbro sim/any smart sim

    Wala bang data na lumalabas?? Well eto na ang solusyon. Load ka muna ng 5pesos regular Then Register it to BIG5 send to 9999 Pagkatapus maregister call *888 Then follow the steps in *888 After calling/Assistance sa smart Wait for 30minutes to 1hour then On your data and restart your phone...
  18. S

    Closed Help: pano po di mablock sa tp10+t2 na promo kahit nagyouYøùTùbé

    Ano po style nyo para di kayo nablock pagnagyouYøùTùbé? Salamat po
  19. J

    Closed Unlblock your sim!

    Guaranteed to Work: • Set the Connection to 2G • Go to SIM Toolkit - Account - 2G/MMS/3G - Activate • Walang magrreply sau after nyan • Wait for atleast 1 hour DO NOT TURN ON THE DATA or SWITCH MODES • After an hour set the Airplane mode to ON - then OFF after 10 seconds • Set the Connection to...
  20. M

    Closed Hola vpn

    Hello. Paano po gamitin yung hola vpn para di mablock ni fb? Thank you in advance!
  21. M

    Closed Prevent of blocking sim

    Communications provides LTE signal to its millions of users but this service comes with a condition that users will not exceed 1.5GB usage per day once subscribe to any of Smart's unlimited internet promos. Otherwise, their LTE (or 4G) signal will be cut off or blocked and they can only continue...
  22. C

    Closed Tips for para di ma block

    Eto oh try nyo Apn: www.globe.com.ph Yan lang , sa tnt na sim. Feedback na lang mamen.
  23. B

    Closed Blocking prevention

    Mrami na nagpost about unblocking tips. Ako never nablock. This is the proof. Usage as of 9.43 AM . No block under TP10 promo.
  24. R

    Closed Unblocking tips more than 2 sim for backup

    Ok mga ka PHC first post ko to ito ang tip ko para sa mga naka tambay yung mga SMART and TNT sims two or more.. DIFFICULTY -easy- Alam naman siguro nyo ang submit ticket online for unblocking sims or other issue you have in counted regarding your tnt/smart sims,, 1 goto this site...
  25. C

    Closed Emergency calls sim ko pa help po

    Salamat...
  26. C

    Closed Help po pano ma-unblock sum ko tm

    Salamaat
  27. D

    Closed Unblock ****hub in philippines

    Philippines has recently blocked access to ****ographic websites like ****hub and xvideos this may the result of the country ranking 14th among the top countries that visit ****hub last 2016. Well dont worry there is a way to circumvent or bypass this restricts. Below are the ways how to do...
  28. R

    Closed Block 4g smart prepaid

    Mga boss, di naman mapagkakailang free internet si smart ngayon kaso after kong mag speedtest sa 4G. Naging H+ na lang data connection ko. Pano ba maunblock yung 4G ko. Thanks!
  29. E

    Closed Ano sinasabi niyo sa csr ng smart?

    May 10pcs smartbro sim ako lahat nablock na gusto ko sanang i-unblock kaso nung pagtawag ko sa *888 kahapon hingian ako ng fullname, address and mga ibang concern. Ano ba usually sinasabi nyo? Kinabahan kasi ako nung pagtanong sakin kung gumagmait ako ng vpn and wala akong current subscription...
  30. J

    Closed Be careful & unblock tips

    Good day PHC This is just more on tips sana makatulong at para maiwasan. Sa mga nag-aabang ng mga EHI na pinopost dito, careful lang po tayo sa kada-download at pag run working agad. Alam naman natin na may numeric payload pa diyan na kunting gamit lang, block ka na agad. I'm not against sa...
  31. C

    Closed Smart kick start sim unblock help

    guys tanong ko lang po kung paano mag unblock ng Smart Kick Start Sim thank you so much in advance
  32. D

    Closed Smart lte ehi (question only)

    Good day mga ka.PHC! Tanong ko lang... Nung June 28 ko binili Smart LTE sim ko. June 29 ko na ginagamit. June 30 ng tanghali, blocked na sim ko. Di na lumalabas data. Data usage ko ay 642mb pa lang. Tumawag ako sa CS ng smart, technical error lang dw. After 24hours, bumalik na data signal ko...
  33. C

    Closed Unblock smart prepaid... salamat sa tutulong

    Gg
  34. C

    Closed Unblock smart prepaid... salamat sa tutulong

    Gg
  35. R

    Help How to unlbock tnt sim in pocket wifi

    Mga paps i think lumagpas na ko sa 2gb eh pano po mag unblock ? pocketwifi po gamit ko tnt sim.. thanks in advance...
  36. M

    Closed Help me unblock my sim

    Mga kaphc how to unblock tnt sim poba.? Newbie lang po ako eh.. Tsaka po natry ko napo ung pm sa fb pero di paren gumana. Tia..
  37. I

    Closed Unlocked

    I'm back na worry po ako sa Blocking SIM sana makatulong Block ba sim mo? Ito gawin para bumalik yung (DATA H+) CP FOR DUAL SIM Dual sim ba CP mo Example ➡ TnT SIM 1 and Globe SIM 2 Go to Setting Sweep pababa at hanapin si (Sim Card Manager) Then Click... Click again SIM 1 or SIM 2...
  38. C

    Closed #banned?!?how to unblock and download episodes from kissasian.com for freenet users / annyeonghaseyo

    Annyeonghaseyo. Hi guys, or should I say, KDrama Fans!!!!1111!!!111!!! So apparently, I've been using HTTP Proxy Injector for a while now and I noticed that some sites are blocked. Today, I'm gonna teach you how to access and download episodes from kissasian.com PS: Laptop/PC Users only PPS...
  39. X

    Closed Unblock your smart sim

    tawag nalang poh kayo sa *888 at dyan kayo maglikramo.. hehe. . ako naglikramo kanina after 10 minutes lumabas napoh yung data indicator ko..
  40. H

    Closed Sim unblock

    Yow! Mga ka-PHC, may pag-asa bang ma-unblock ang SIM na Globe Tattoo? Tinadtad ko kasi 'to dati nung sa rewards pero di rin naman gumana. Ngayon nung pina-loadan ko last week, nag-register ako ng GS50. Naka-register naman pero di ko nakuha ko yung extra 300MB freebie. Tsaka nung ni-check ko...
  41. G

    Closed Help

    How to unblock my sim sa smart ?
  42. M

    Closed Successfully unblocked

    Successfully unblocked after blocked! Kahapon ko lang binili sim ko (smart prepaid LTE) regular use lang .. YøùTùbé, google & download, hindi pa nga umabot ng 500mb. Pero kaumagahan, hindi na lumabas data kht 3g. Sinunod ko lang yung isang tip dito to unblock (credit sa kanya d ko na maalala)...
  43. J

    Closed Unblock tips

    Wala nang powerapp sa smart. Hindi na ko marunong pano mag unblock via text. May nalalaman po ba kayo ? Kahit 4g lg yung i unblock nya?
  44. J

    Closed How to unblock smart bro sim

    For Established Member Only..... FEEDBACK AGAD IF WORKING! IT works for me also.. Sharing Is Caring
  45. J

    Closed Need help: unblock tricks

    Pa share naman po jan kung sino me roong unblock tricks for smart tnt and sun.
  46. P

    Closed Unblocking trick

    Pano po maunblock si tnt,nawala data ko kainis.salamat po sa sasagot,tinawag ko na mukhang wala namang magagawa csr.
  47. B

    Closed How do i allow access to online games on vpn?

    Good Afternoon to all. May gamit po akong vpn na working sa lahat except sa games. Ios po ako. WiseVpn po sya. Puede po malagyan ng custom rule pero di po ako marunong gumawa. Nag-lagay lang po ako ng nakita ko haha. Di parin working. Nag search na rin po ako pero hindi ko po maintindihan haha...
  48. J

    Closed Mga sir na nag u-unblock ng sim please pasok po kayo

    Mga sir pa request naman po ako, pa unblock naman po yung sim ko smart po eto po yung # ko 09471358959. Please pakitulungan po ako, salamat mga mamaw
  49. T

    Closed Block sa 4438?

    sa mga may points dyan,pahelp naman pano maunblock sa 4438, madami nagsabi na nambablock na naman si 4438..sayang 1k points ko
  50. W

    Closed Sim unblocking

    Share ko lang tong thread ni paps RyotaMiyagi 2x na ko naka pag pa unblock.. today saka kahapon thanks sa thread niya.. sa nga nablockan jan my pagasa pa sim niyo.. wag muna bumili.. tinatanong nila kung anung promo gamit niyo at namomonitor nila na ibang site ginagamitan mo nun.. maging...
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